summaryrefslogtreecommitdiff
path: root/include/experimental
diff options
context:
space:
mode:
Diffstat (limited to 'include/experimental')
-rw-r--r--include/experimental/__config18
-rw-r--r--include/experimental/__memory90
-rw-r--r--include/experimental/algorithm2
-rw-r--r--include/experimental/any12
-rw-r--r--include/experimental/deque47
-rw-r--r--include/experimental/dynarray15
-rw-r--r--include/experimental/filesystem2052
-rw-r--r--include/experimental/forward_list47
-rw-r--r--include/experimental/functional39
-rw-r--r--include/experimental/iterator114
-rw-r--r--include/experimental/list47
-rw-r--r--include/experimental/map57
-rw-r--r--include/experimental/memory_resource422
-rw-r--r--include/experimental/optional8
-rw-r--r--include/experimental/propagate_const576
-rw-r--r--include/experimental/regex62
-rw-r--r--include/experimental/set57
-rw-r--r--include/experimental/string62
-rw-r--r--include/experimental/string_view45
-rw-r--r--include/experimental/tuple3
-rw-r--r--include/experimental/unordered_map65
-rw-r--r--include/experimental/unordered_set59
-rw-r--r--include/experimental/vector47
23 files changed, 3895 insertions, 51 deletions
diff --git a/include/experimental/__config b/include/experimental/__config
index f64a3a90cd12..9a7bbe85d8d3 100644
--- a/include/experimental/__config
+++ b/include/experimental/__config
@@ -25,8 +25,26 @@
#define _LIBCPP_END_NAMESPACE_LFTS } } }
#define _VSTD_LFTS _VSTD_EXPERIMENTAL::fundamentals_v1
+#define _LIBCPP_BEGIN_NAMESPACE_LFTS_V2 _LIBCPP_BEGIN_NAMESPACE_EXPERIMENTAL inline namespace fundamentals_v2 {
+#define _LIBCPP_END_NAMESPACE_LFTS_V2 } } }
+#define _VSTD_LFTS_V2 _VSTD_EXPERIMENTAL::fundamentals_v2
+
+#define _LIBCPP_BEGIN_NAMESPACE_LFTS_PMR _LIBCPP_BEGIN_NAMESPACE_LFTS namespace pmr {
+#define _LIBCPP_END_NAMESPACE_LFTS_PMR _LIBCPP_END_NAMESPACE_LFTS }
+#define _VSTD_LFTS_PMR _VSTD_LFTS::pmr
+
#define _LIBCPP_BEGIN_NAMESPACE_CHRONO_LFTS _LIBCPP_BEGIN_NAMESPACE_STD \
namespace chrono { namespace experimental { inline namespace fundamentals_v1 {
#define _LIBCPP_END_NAMESPACE_CHRONO_LFTS _LIBCPP_END_NAMESPACE_STD } } }
+#define _LIBCPP_BEGIN_NAMESPACE_EXPERIMENTAL_FILESYSTEM \
+ _LIBCPP_BEGIN_NAMESPACE_EXPERIMENTAL namespace filesystem { \
+ inline namespace v1 {
+
+#define _LIBCPP_END_NAMESPACE_EXPERIMENTAL_FILESYSTEM \
+ } } _LIBCPP_END_NAMESPACE_EXPERIMENTAL
+
+
+#define _VSTD_FS ::std::experimental::filesystem::v1
+
#endif
diff --git a/include/experimental/__memory b/include/experimental/__memory
new file mode 100644
index 000000000000..229fea605bfd
--- /dev/null
+++ b/include/experimental/__memory
@@ -0,0 +1,90 @@
+// -*- C++ -*-
+//===----------------------------------------------------------------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef _LIBCPP_EXPERIMENTAL___MEMORY
+#define _LIBCPP_EXPERIMENTAL___MEMORY
+
+#include <experimental/__config>
+#include <experimental/utility> // for erased_type
+#include <__functional_base>
+#include <type_traits>
+
+_LIBCPP_BEGIN_NAMESPACE_LFTS
+
+template <
+ class _Tp, class _Alloc
+ , bool = uses_allocator<_Tp, _Alloc>::value
+ , bool = __has_allocator_type<_Tp>::value
+ >
+struct __lfts_uses_allocator : public false_type {};
+
+template <class _Tp, class _Alloc>
+struct __lfts_uses_allocator<_Tp, _Alloc, false, false> : public false_type {};
+
+template <class _Tp, class _Alloc, bool HasAlloc>
+struct __lfts_uses_allocator<_Tp, _Alloc, true, HasAlloc> : public true_type {};
+
+template <class _Tp, class _Alloc>
+struct __lfts_uses_allocator<_Tp, _Alloc, false, true>
+ : public integral_constant<bool
+ , is_convertible<_Alloc, typename _Tp::allocator_type>::value
+ || is_same<erased_type, typename _Tp::allocator_type>::value
+ >
+{};
+
+template <bool _UsesAlloc, class _Tp, class _Alloc, class ..._Args>
+struct __lfts_uses_alloc_ctor_imp
+{
+ static const int value = 0;
+};
+
+template <class _Tp, class _Alloc, class ..._Args>
+struct __lfts_uses_alloc_ctor_imp<true, _Tp, _Alloc, _Args...>
+{
+ static const bool __ic_first
+ = is_constructible<_Tp, allocator_arg_t, _Alloc, _Args...>::value;
+
+ static const bool __ic_second =
+ conditional<
+ __ic_first,
+ false_type,
+ is_constructible<_Tp, _Args..., _Alloc>
+ >::type::value;
+
+ static_assert(__ic_first || __ic_second,
+ "Request for uses allocator construction is ill-formed");
+
+ static const int value = __ic_first ? 1 : 2;
+};
+
+template <class _Tp, class _Alloc, class ..._Args>
+struct __lfts_uses_alloc_ctor
+ : integral_constant<int,
+ __lfts_uses_alloc_ctor_imp<
+ __lfts_uses_allocator<_Tp, _Alloc>::value
+ , _Tp, _Alloc, _Args...
+ >::value
+ >
+{};
+
+template <class _Tp, class _Alloc, class ..._Args>
+inline _LIBCPP_INLINE_VISIBILITY
+void __lfts_user_alloc_construct(
+ _Tp * __store, const _Alloc & __a, _Args &&... __args)
+{
+ _VSTD::__user_alloc_construct_impl(
+ typename __lfts_uses_alloc_ctor<_Tp, _Alloc, _Args...>::type()
+ , __store, __a, _VSTD::forward<_Args>(__args)...
+ );
+}
+
+_LIBCPP_END_NAMESPACE_LFTS
+
+#endif /* _LIBCPP_EXPERIMENTAL___MEMORY */
diff --git a/include/experimental/algorithm b/include/experimental/algorithm
index ffaa793b6d4e..3902111c54ea 100644
--- a/include/experimental/algorithm
+++ b/include/experimental/algorithm
@@ -53,7 +53,7 @@ _LIBCPP_BEGIN_NAMESPACE_LFTS
template <class _ForwardIterator, class _Searcher>
_LIBCPP_INLINE_VISIBILITY
_ForwardIterator search(_ForwardIterator __f, _ForwardIterator __l, const _Searcher &__s)
-{ return __s(__f, __l); }
+{ return __s(__f, __l).first; }
template <class _PopulationIterator, class _SampleIterator, class _Distance,
diff --git a/include/experimental/any b/include/experimental/any
index 603788484dd5..4c732496c52b 100644
--- a/include/experimental/any
+++ b/include/experimental/any
@@ -113,10 +113,12 @@ class any;
template <class _ValueType>
typename add_pointer<typename add_const<_ValueType>::type>::type
+_LIBCPP_INLINE_VISIBILITY
any_cast(any const *) _NOEXCEPT;
template <class _ValueType>
typename add_pointer<_ValueType>::type
+_LIBCPP_INLINE_VISIBILITY
any_cast(any *) _NOEXCEPT;
namespace __any_imp
@@ -185,6 +187,7 @@ public:
class _ValueType
, class = __any_imp::_EnableIfNotAny<_ValueType>
>
+ _LIBCPP_INLINE_VISIBILITY
any(_ValueType && __value);
_LIBCPP_INLINE_VISIBILITY
@@ -212,6 +215,7 @@ public:
class _ValueType
, class = __any_imp::_EnableIfNotAny<_ValueType>
>
+ _LIBCPP_INLINE_VISIBILITY
any & operator=(_ValueType && __rhs);
// 6.3.3 any modifiers
@@ -221,6 +225,7 @@ public:
if (__h) this->__call(_Action::_Destroy);
}
+ _LIBCPP_INLINE_VISIBILITY
void swap(any & __rhs) _NOEXCEPT;
// 6.3.4 any observers
@@ -457,7 +462,6 @@ namespace __any_imp
template <class _ValueType, class>
-_LIBCPP_INLINE_VISIBILITY
any::any(_ValueType && __v) : __h(nullptr)
{
typedef typename decay<_ValueType>::type _Tp;
@@ -468,7 +472,6 @@ any::any(_ValueType && __v) : __h(nullptr)
}
template <class _ValueType, class>
-_LIBCPP_INLINE_VISIBILITY
any & any::operator=(_ValueType && __v)
{
typedef typename decay<_ValueType>::type _Tp;
@@ -478,7 +481,7 @@ any & any::operator=(_ValueType && __v)
return *this;
}
-inline _LIBCPP_INLINE_VISIBILITY
+inline
void any::swap(any & __rhs) _NOEXCEPT
{
if (__h && __rhs.__h) {
@@ -550,7 +553,7 @@ _ValueType any_cast(any && __v)
}
template <class _ValueType>
-inline _LIBCPP_INLINE_VISIBILITY
+inline
typename add_pointer<typename add_const<_ValueType>::type>::type
any_cast(any const * __any) _NOEXCEPT
{
@@ -560,7 +563,6 @@ any_cast(any const * __any) _NOEXCEPT
}
template <class _ValueType>
-_LIBCPP_INLINE_VISIBILITY
typename add_pointer<_ValueType>::type
any_cast(any * __any) _NOEXCEPT
{
diff --git a/include/experimental/deque b/include/experimental/deque
new file mode 100644
index 000000000000..f8495743c1f9
--- /dev/null
+++ b/include/experimental/deque
@@ -0,0 +1,47 @@
+// -*- C++ -*-
+//===--------------------------- deque ------------------------------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef _LIBCPP_EXPERIMENTAL_DEQUE
+#define _LIBCPP_EXPERIMENTAL_DEQUE
+/*
+ experimental/deque synopsis
+
+// C++1z
+namespace std {
+namespace experimental {
+inline namespace fundamentals_v1 {
+namespace pmr {
+
+ template <class T>
+ using deque = std::deque<T,polymorphic_allocator<T>>;
+
+} // namespace pmr
+} // namespace fundamentals_v1
+} // namespace experimental
+} // namespace std
+
+ */
+
+#include <experimental/__config>
+#include <deque>
+#include <experimental/memory_resource>
+
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+#pragma GCC system_header
+#endif
+
+_LIBCPP_BEGIN_NAMESPACE_LFTS_PMR
+
+template <class _ValueT>
+using deque = _VSTD::deque<_ValueT, polymorphic_allocator<_ValueT>>;
+
+_LIBCPP_END_NAMESPACE_LFTS_PMR
+
+#endif /* _LIBCPP_EXPERIMENTAL_DEQUE */
diff --git a/include/experimental/dynarray b/include/experimental/dynarray
index f40a6ca188b8..4a06908e11b1 100644
--- a/include/experimental/dynarray
+++ b/include/experimental/dynarray
@@ -159,9 +159,13 @@ private:
public:
+ _LIBCPP_INLINE_VISIBILITY
explicit dynarray(size_type __c);
+ _LIBCPP_INLINE_VISIBILITY
dynarray(size_type __c, const value_type& __v);
+ _LIBCPP_INLINE_VISIBILITY
dynarray(const dynarray& __d);
+ _LIBCPP_INLINE_VISIBILITY
dynarray(initializer_list<value_type>);
// We're not implementing these right now.
@@ -176,6 +180,7 @@ public:
// dynarray(allocator_arg_t, const _Alloc& __alloc, initializer_list<value_type>);
dynarray& operator=(const dynarray&) = delete;
+ _LIBCPP_INLINE_VISIBILITY
~dynarray();
// iterators:
@@ -219,7 +224,7 @@ public:
};
template <class _Tp>
-inline _LIBCPP_INLINE_VISIBILITY
+inline
dynarray<_Tp>::dynarray(size_type __c) : dynarray ()
{
__base_ = __allocate (__c);
@@ -229,7 +234,7 @@ dynarray<_Tp>::dynarray(size_type __c) : dynarray ()
}
template <class _Tp>
-inline _LIBCPP_INLINE_VISIBILITY
+inline
dynarray<_Tp>::dynarray(size_type __c, const value_type& __v) : dynarray ()
{
__base_ = __allocate (__c);
@@ -239,7 +244,7 @@ dynarray<_Tp>::dynarray(size_type __c, const value_type& __v) : dynarray ()
}
template <class _Tp>
-inline _LIBCPP_INLINE_VISIBILITY
+inline
dynarray<_Tp>::dynarray(initializer_list<value_type> __il) : dynarray ()
{
size_t sz = __il.size();
@@ -251,7 +256,7 @@ dynarray<_Tp>::dynarray(initializer_list<value_type> __il) : dynarray ()
}
template <class _Tp>
-inline _LIBCPP_INLINE_VISIBILITY
+inline
dynarray<_Tp>::dynarray(const dynarray& __d) : dynarray ()
{
size_t sz = __d.size();
@@ -263,7 +268,7 @@ dynarray<_Tp>::dynarray(const dynarray& __d) : dynarray ()
}
template <class _Tp>
-inline _LIBCPP_INLINE_VISIBILITY
+inline
dynarray<_Tp>::~dynarray()
{
value_type *__data = data () + __size_;
diff --git a/include/experimental/filesystem b/include/experimental/filesystem
new file mode 100644
index 000000000000..7de93fdf8f15
--- /dev/null
+++ b/include/experimental/filesystem
@@ -0,0 +1,2052 @@
+// -*- C++ -*-
+//===--------------------------- filesystem -------------------------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+#ifndef _LIBCPP_EXPERIMENTAL_FILESYSTEM
+#define _LIBCPP_EXPERIMENTAL_FILESYSTEM
+/*
+ filesystem synopsis
+
+ namespace std { namespace experimental { namespace filesystem { inline namespace v1 {
+
+ class path;
+
+ void swap(path& lhs, path& rhs) _NOEXCEPT;
+ size_t hash_value(const path& p) _NOEXCEPT;
+
+ bool operator==(const path& lhs, const path& rhs) _NOEXCEPT;
+ bool operator!=(const path& lhs, const path& rhs) _NOEXCEPT;
+ bool operator< (const path& lhs, const path& rhs) _NOEXCEPT;
+ bool operator<=(const path& lhs, const path& rhs) _NOEXCEPT;
+ bool operator> (const path& lhs, const path& rhs) _NOEXCEPT;
+ bool operator>=(const path& lhs, const path& rhs) _NOEXCEPT;
+
+ path operator/ (const path& lhs, const path& rhs);
+
+ template <class charT, class traits>
+ basic_ostream<charT, traits>&
+ operator<<(basic_ostream<charT, traits>& os, const path& p);
+
+ template <class charT, class traits>
+ basic_istream<charT, traits>&
+ operator>>(basic_istream<charT, traits>& is, path& p);
+
+ template <class Source>
+ path u8path(const Source& source);
+ template <class InputIterator>
+ path u8path(InputIterator first, InputIterator last);
+
+ class filesystem_error;
+ class directory_entry;
+
+ class directory_iterator;
+
+ // enable directory_iterator range-based for statements
+ directory_iterator begin(directory_iterator iter) noexcept;
+ directory_iterator end(const directory_iterator&) noexcept;
+
+ class recursive_directory_iterator;
+
+ // enable recursive_directory_iterator range-based for statements
+ recursive_directory_iterator begin(recursive_directory_iterator iter) noexcept;
+ recursive_directory_iterator end(const recursive_directory_iterator&) noexcept;
+
+ class file_status;
+
+ struct space_info
+ {
+ uintmax_t capacity;
+ uintmax_t free;
+ uintmax_t available;
+ };
+
+ enum class file_type;
+ enum class perms;
+ enum class copy_options;
+ enum class directory_options;
+
+ typedef chrono::time_point<trivial-clock> file_time_type;
+
+ // operational functions
+
+ path absolute(const path& p, const path& base=current_path());
+
+ path canonical(const path& p, const path& base = current_path());
+ path canonical(const path& p, error_code& ec);
+ path canonical(const path& p, const path& base, error_code& ec);
+
+ void copy(const path& from, const path& to);
+ void copy(const path& from, const path& to, error_code& ec) _NOEXCEPT;
+ void copy(const path& from, const path& to, copy_options options);
+ void copy(const path& from, const path& to, copy_options options,
+ error_code& ec) _NOEXCEPT;
+
+ bool copy_file(const path& from, const path& to);
+ bool copy_file(const path& from, const path& to, error_code& ec) _NOEXCEPT;
+ bool copy_file(const path& from, const path& to, copy_options option);
+ bool copy_file(const path& from, const path& to, copy_options option,
+ error_code& ec) _NOEXCEPT;
+
+ void copy_symlink(const path& existing_symlink, const path& new_symlink);
+ void copy_symlink(const path& existing_symlink, const path& new_symlink,
+ error_code& ec) _NOEXCEPT;
+
+ bool create_directories(const path& p);
+ bool create_directories(const path& p, error_code& ec) _NOEXCEPT;
+
+ bool create_directory(const path& p);
+ bool create_directory(const path& p, error_code& ec) _NOEXCEPT;
+
+ bool create_directory(const path& p, const path& attributes);
+ bool create_directory(const path& p, const path& attributes,
+ error_code& ec) _NOEXCEPT;
+
+ void create_directory_symlink(const path& to, const path& new_symlink);
+ void create_directory_symlink(const path& to, const path& new_symlink,
+ error_code& ec) _NOEXCEPT;
+
+ void create_hard_link(const path& to, const path& new_hard_link);
+ void create_hard_link(const path& to, const path& new_hard_link,
+ error_code& ec) _NOEXCEPT;
+
+ void create_symlink(const path& to, const path& new_symlink);
+ void create_symlink(const path& to, const path& new_symlink,
+ error_code& ec) _NOEXCEPT;
+
+ path current_path();
+ path current_path(error_code& ec);
+ void current_path(const path& p);
+ void current_path(const path& p, error_code& ec) _NOEXCEPT;
+
+ bool exists(file_status s) _NOEXCEPT;
+ bool exists(const path& p);
+ bool exists(const path& p, error_code& ec) _NOEXCEPT;
+
+ bool equivalent(const path& p1, const path& p2);
+ bool equivalent(const path& p1, const path& p2, error_code& ec) _NOEXCEPT;
+
+ uintmax_t file_size(const path& p);
+ uintmax_t file_size(const path& p, error_code& ec) _NOEXCEPT;
+
+ uintmax_t hard_link_count(const path& p);
+ uintmax_t hard_link_count(const path& p, error_code& ec) _NOEXCEPT;
+
+ bool is_block_file(file_status s) _NOEXCEPT;
+ bool is_block_file(const path& p);
+ bool is_block_file(const path& p, error_code& ec) _NOEXCEPT;
+
+ bool is_character_file(file_status s) _NOEXCEPT;
+ bool is_character_file(const path& p);
+ bool is_character_file(const path& p, error_code& ec) _NOEXCEPT;
+
+ bool is_directory(file_status s) _NOEXCEPT;
+ bool is_directory(const path& p);
+ bool is_directory(const path& p, error_code& ec) _NOEXCEPT;
+
+ bool is_empty(const path& p);
+ bool is_empty(const path& p, error_code& ec) _NOEXCEPT;
+
+ bool is_fifo(file_status s) _NOEXCEPT;
+ bool is_fifo(const path& p);
+ bool is_fifo(const path& p, error_code& ec) _NOEXCEPT;
+
+ bool is_other(file_status s) _NOEXCEPT;
+ bool is_other(const path& p);
+ bool is_other(const path& p, error_code& ec) _NOEXCEPT;
+
+ bool is_regular_file(file_status s) _NOEXCEPT;
+ bool is_regular_file(const path& p);
+ bool is_regular_file(const path& p, error_code& ec) _NOEXCEPT;
+
+ bool is_socket(file_status s) _NOEXCEPT;
+ bool is_socket(const path& p);
+ bool is_socket(const path& p, error_code& ec) _NOEXCEPT;
+
+ bool is_symlink(file_status s) _NOEXCEPT;
+ bool is_symlink(const path& p);
+ bool is_symlink(const path& p, error_code& ec) _NOEXCEPT;
+
+ file_time_type last_write_time(const path& p);
+ file_time_type last_write_time(const path& p, error_code& ec) _NOEXCEPT;
+ void last_write_time(const path& p, file_time_type new_time);
+ void last_write_time(const path& p, file_time_type new_time,
+ error_code& ec) _NOEXCEPT;
+
+ void permissions(const path& p, perms prms);
+ void permissions(const path& p, perms prms, error_code& ec) _NOEXCEPT;
+
+ path read_symlink(const path& p);
+ path read_symlink(const path& p, error_code& ec);
+
+ bool remove(const path& p);
+ bool remove(const path& p, error_code& ec) _NOEXCEPT;
+
+ uintmax_t remove_all(const path& p);
+ uintmax_t remove_all(const path& p, error_code& ec) _NOEXCEPT;
+
+ void rename(const path& from, const path& to);
+ void rename(const path& from, const path& to, error_code& ec) _NOEXCEPT;
+
+ void resize_file(const path& p, uintmax_t size);
+ void resize_file(const path& p, uintmax_t size, error_code& ec) _NOEXCEPT;
+
+ space_info space(const path& p);
+ space_info space(const path& p, error_code& ec) _NOEXCEPT;
+
+ file_status status(const path& p);
+ file_status status(const path& p, error_code& ec) _NOEXCEPT;
+
+ bool status_known(file_status s) _NOEXCEPT;
+
+ file_status symlink_status(const path& p);
+ file_status symlink_status(const path& p, error_code& ec) _NOEXCEPT;
+
+ path system_complete(const path& p);
+ path system_complete(const path& p, error_code& ec);
+
+ path temp_directory_path();
+ path temp_directory_path(error_code& ec);
+
+} } } } // namespaces std::experimental::filesystem::v1
+
+*/
+
+#include <experimental/__config>
+#include <cstddef>
+#include <chrono>
+#include <iterator>
+#include <iosfwd>
+#include <locale>
+#include <memory>
+#include <stack>
+#include <string>
+#include <system_error>
+#include <utility>
+#include <iomanip> // for quoted
+#include <experimental/string_view>
+
+#include <__debug>
+
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+#pragma GCC system_header
+#endif
+
+#define __cpp_lib_experimental_filesystem 201406
+
+_LIBCPP_BEGIN_NAMESPACE_EXPERIMENTAL_FILESYSTEM
+
+typedef chrono::time_point<std::chrono::system_clock> file_time_type;
+
+struct _LIBCPP_TYPE_VIS space_info
+{
+ uintmax_t capacity;
+ uintmax_t free;
+ uintmax_t available;
+};
+
+enum class _LIBCPP_TYPE_VIS file_type : signed char
+{
+ none = 0,
+ not_found = -1,
+ regular = 1,
+ directory = 2,
+ symlink = 3,
+ block = 4,
+ character = 5,
+ fifo = 6,
+ socket = 7,
+ unknown = 8
+};
+
+enum class _LIBCPP_TYPE_VIS perms : unsigned
+{
+ none = 0,
+
+ owner_read = 0400,
+ owner_write = 0200,
+ owner_exec = 0100,
+ owner_all = 0700,
+
+ group_read = 040,
+ group_write = 020,
+ group_exec = 010,
+ group_all = 070,
+
+ others_read = 04,
+ others_write = 02,
+ others_exec = 01,
+ others_all = 07,
+
+ all = 0777,
+
+ set_uid = 04000,
+ set_gid = 02000,
+ sticky_bit = 01000,
+ mask = 07777,
+ unknown = 0xFFFF,
+
+ add_perms = 0x10000,
+ remove_perms = 0x20000,
+ symlink_nofollow = 0x40000
+};
+
+_LIBCPP_INLINE_VISIBILITY
+inline _LIBCPP_CONSTEXPR perms operator&(perms _LHS, perms _RHS)
+{ return static_cast<perms>(static_cast<unsigned>(_LHS) & static_cast<unsigned>(_RHS)); }
+
+_LIBCPP_INLINE_VISIBILITY
+inline _LIBCPP_CONSTEXPR perms operator|(perms _LHS, perms _RHS)
+{ return static_cast<perms>(static_cast<unsigned>(_LHS) | static_cast<unsigned>(_RHS)); }
+
+_LIBCPP_INLINE_VISIBILITY
+inline _LIBCPP_CONSTEXPR perms operator^(perms _LHS, perms _RHS)
+{ return static_cast<perms>(static_cast<unsigned>(_LHS) ^ static_cast<unsigned>(_RHS)); }
+
+_LIBCPP_INLINE_VISIBILITY
+inline _LIBCPP_CONSTEXPR perms operator~(perms _LHS)
+{ return static_cast<perms>(~static_cast<unsigned>(_LHS)); }
+
+_LIBCPP_INLINE_VISIBILITY
+inline perms& operator&=(perms& _LHS, perms _RHS)
+{ return _LHS = _LHS & _RHS; }
+
+_LIBCPP_INLINE_VISIBILITY
+inline perms& operator|=(perms& _LHS, perms _RHS)
+{ return _LHS = _LHS | _RHS; }
+
+_LIBCPP_INLINE_VISIBILITY
+inline perms& operator^=(perms& _LHS, perms _RHS)
+{ return _LHS = _LHS ^ _RHS; }
+
+enum class _LIBCPP_TYPE_VIS copy_options : unsigned short
+{
+ none = 0,
+ skip_existing = 1,
+ overwrite_existing = 2,
+ update_existing = 4,
+ recursive = 8,
+ copy_symlinks = 16,
+ skip_symlinks = 32,
+ directories_only = 64,
+ create_symlinks = 128,
+ create_hard_links = 256,
+ __in_recursive_copy = 512,
+};
+
+_LIBCPP_INLINE_VISIBILITY
+inline _LIBCPP_CONSTEXPR copy_options operator&(copy_options _LHS, copy_options _RHS)
+{ return static_cast<copy_options>(static_cast<unsigned short>(_LHS) & static_cast<unsigned short>(_RHS)); }
+
+_LIBCPP_INLINE_VISIBILITY
+inline _LIBCPP_CONSTEXPR copy_options operator|(copy_options _LHS, copy_options _RHS)
+{ return static_cast<copy_options>(static_cast<unsigned short>(_LHS) | static_cast<unsigned short>(_RHS)); }
+
+_LIBCPP_INLINE_VISIBILITY
+inline _LIBCPP_CONSTEXPR copy_options operator^(copy_options _LHS, copy_options _RHS)
+{ return static_cast<copy_options>(static_cast<unsigned short>(_LHS) ^ static_cast<unsigned short>(_RHS)); }
+
+_LIBCPP_INLINE_VISIBILITY
+inline _LIBCPP_CONSTEXPR copy_options operator~(copy_options _LHS)
+{ return static_cast<copy_options>(~static_cast<unsigned short>(_LHS)); }
+
+_LIBCPP_INLINE_VISIBILITY
+inline copy_options& operator&=(copy_options& _LHS, copy_options _RHS)
+{ return _LHS = _LHS & _RHS; }
+
+_LIBCPP_INLINE_VISIBILITY
+inline copy_options& operator|=(copy_options& _LHS, copy_options _RHS)
+{ return _LHS = _LHS | _RHS; }
+
+_LIBCPP_INLINE_VISIBILITY
+inline copy_options& operator^=(copy_options& _LHS, copy_options _RHS)
+{ return _LHS = _LHS ^ _RHS; }
+
+
+enum class directory_options : unsigned char
+{
+ none = 0,
+ follow_directory_symlink = 1,
+ skip_permission_denied = 2
+};
+
+_LIBCPP_INLINE_VISIBILITY
+inline _LIBCPP_CONSTEXPR directory_options operator&(directory_options _LHS, directory_options _RHS)
+{ return static_cast<directory_options>(static_cast<unsigned char>(_LHS) & static_cast<unsigned char>(_RHS)); }
+
+_LIBCPP_INLINE_VISIBILITY
+inline _LIBCPP_CONSTEXPR directory_options operator|(directory_options _LHS, directory_options _RHS)
+{ return static_cast<directory_options>(static_cast<unsigned char>(_LHS) | static_cast<unsigned char>(_RHS)); }
+
+_LIBCPP_INLINE_VISIBILITY
+inline _LIBCPP_CONSTEXPR directory_options operator^(directory_options _LHS, directory_options _RHS)
+{ return static_cast<directory_options>(static_cast<unsigned char>(_LHS) ^ static_cast<unsigned char>(_RHS)); }
+
+_LIBCPP_INLINE_VISIBILITY
+inline _LIBCPP_CONSTEXPR directory_options operator~(directory_options _LHS)
+{ return static_cast<directory_options>(~static_cast<unsigned char>(_LHS)); }
+
+_LIBCPP_INLINE_VISIBILITY
+inline directory_options& operator&=(directory_options& _LHS, directory_options _RHS)
+{ return _LHS = _LHS & _RHS; }
+
+_LIBCPP_INLINE_VISIBILITY
+inline directory_options& operator|=(directory_options& _LHS, directory_options _RHS)
+{ return _LHS = _LHS | _RHS; }
+
+_LIBCPP_INLINE_VISIBILITY
+inline directory_options& operator^=(directory_options& _LHS, directory_options _RHS)
+{ return _LHS = _LHS ^ _RHS; }
+
+
+class _LIBCPP_TYPE_VIS file_status
+{
+public:
+ // constructors
+ _LIBCPP_INLINE_VISIBILITY
+ explicit file_status(file_type __ft = file_type::none,
+ perms __prms = perms::unknown) _NOEXCEPT
+ : __ft_(__ft), __prms_(__prms)
+ {}
+
+ file_status(const file_status&) _NOEXCEPT = default;
+ file_status(file_status&&) _NOEXCEPT = default;
+
+ _LIBCPP_INLINE_VISIBILITY
+ ~file_status() {}
+
+ file_status& operator=(const file_status&) _NOEXCEPT = default;
+ file_status& operator=(file_status&&) _NOEXCEPT = default;
+
+ // observers
+ _LIBCPP_ALWAYS_INLINE
+ file_type type() const _NOEXCEPT {
+ return __ft_;
+ }
+
+ _LIBCPP_ALWAYS_INLINE
+ perms permissions() const _NOEXCEPT {
+ return __prms_;
+ }
+
+ // modifiers
+ _LIBCPP_ALWAYS_INLINE
+ void type(file_type __ft) _NOEXCEPT {
+ __ft_ = __ft;
+ }
+
+ _LIBCPP_ALWAYS_INLINE
+ void permissions(perms __p) _NOEXCEPT {
+ __prms_ = __p;
+ }
+private:
+ file_type __ft_;
+ perms __prms_;
+};
+
+class _LIBCPP_TYPE_VIS directory_entry;
+
+template <class _Tp> struct __can_convert_char {
+ static const bool value = false;
+};
+template <> struct __can_convert_char<char> {
+ static const bool value = true;
+ using __char_type = char;
+};
+template <> struct __can_convert_char<wchar_t> {
+ static const bool value = true;
+ using __char_type = wchar_t;
+};
+template <> struct __can_convert_char<char16_t> {
+ static const bool value = true;
+ using __char_type = char16_t;
+};
+template <> struct __can_convert_char<char32_t> {
+ static const bool value = true;
+ using __char_type = char32_t;
+};
+
+template <class _ECharT>
+typename enable_if<__can_convert_char<_ECharT>::value, bool>::type
+__is_separator(_ECharT __e) {
+ return __e == _ECharT('/');
+};
+
+struct _NullSentinal {};
+
+template <class _Tp>
+using _Void = void;
+
+template <class _Tp, class = void>
+struct __is_pathable_string : public false_type {};
+
+template <class _ECharT, class _Traits, class _Alloc>
+struct __is_pathable_string<basic_string<_ECharT, _Traits, _Alloc>,
+ _Void<typename __can_convert_char<_ECharT>::__char_type>>
+: public __can_convert_char<_ECharT>
+{
+ using _Str = basic_string<_ECharT, _Traits, _Alloc>;
+ using _Base = __can_convert_char<_ECharT>;
+ static _ECharT const* __range_begin(_Str const& __s) { return __s.data(); }
+ static _ECharT const* __range_end(_Str const& __s) { return __s.data() + __s.length(); }
+ static _ECharT __first_or_null(_Str const& __s) {
+ return __s.empty() ? _ECharT{} : __s[0];
+ }
+};
+
+template <class _Source,
+ class _DS = typename decay<_Source>::type,
+ class _UnqualPtrType = typename remove_const<
+ typename remove_pointer<_DS>::type>::type,
+ bool _IsCharPtr = is_pointer<_DS>::value &&
+ __can_convert_char<_UnqualPtrType>::value
+ >
+struct __is_pathable_char_array : false_type {};
+
+template <class _Source, class _ECharT, class _UPtr>
+struct __is_pathable_char_array<_Source, _ECharT*, _UPtr, true>
+ : __can_convert_char<typename remove_const<_ECharT>::type>
+{
+ using _Base = __can_convert_char<typename remove_const<_ECharT>::type>;
+
+ static _ECharT const* __range_begin(const _ECharT* __b) { return __b; }
+ static _ECharT const* __range_end(const _ECharT* __b)
+ {
+ using _Iter = const _ECharT*;
+ const _ECharT __sentinal = _ECharT{};
+ _Iter __e = __b;
+ for (; *__e != __sentinal; ++__e)
+ ;
+ return __e;
+ }
+
+ static _ECharT __first_or_null(const _ECharT* __b) { return *__b; }
+};
+
+template <class _Iter, bool _IsIt = __is_input_iterator<_Iter>::value, class = void>
+struct __is_pathable_iter : false_type {};
+
+template <class _Iter>
+struct __is_pathable_iter<_Iter, true,
+ _Void<typename __can_convert_char<typename iterator_traits<_Iter>::value_type>::__char_type>>
+ : __can_convert_char<typename iterator_traits<_Iter>::value_type>
+{
+ using _ECharT = typename iterator_traits<_Iter>::value_type;
+ using _Base = __can_convert_char<_ECharT>;
+
+ static _Iter __range_begin(_Iter __b) { return __b; }
+ static _NullSentinal __range_end(_Iter) { return _NullSentinal{}; }
+
+ static _ECharT __first_or_null(_Iter __b) { return *__b; }
+};
+
+template <class _Tp, bool _IsStringT = __is_pathable_string<_Tp>::value,
+ bool _IsCharIterT = __is_pathable_char_array<_Tp>::value,
+ bool _IsIterT = !_IsCharIterT && __is_pathable_iter<_Tp>::value
+ >
+struct __is_pathable : false_type {
+ static_assert(!_IsStringT && !_IsCharIterT && !_IsIterT, "Must all be false");
+};
+
+template <class _Tp>
+struct __is_pathable<_Tp, true, false, false> : __is_pathable_string<_Tp> {};
+
+
+template <class _Tp>
+struct __is_pathable<_Tp, false, true, false> : __is_pathable_char_array<_Tp> {};
+
+
+template <class _Tp>
+struct __is_pathable<_Tp, false, false, true> : __is_pathable_iter<_Tp> {};
+
+
+template <class _ECharT>
+struct _PathCVT {
+ static_assert(__can_convert_char<_ECharT>::value, "Char type not convertible");
+
+ typedef __narrow_to_utf8<sizeof(_ECharT)*__CHAR_BIT__> _Narrower;
+
+ static void __append_range(string& __dest, _ECharT const* __b, _ECharT const* __e) {
+ _Narrower()(back_inserter(__dest), __b, __e);
+ }
+
+ template <class _Iter>
+ static void __append_range(string& __dest, _Iter __b, _Iter __e) {
+ static_assert(!is_same<_Iter, _ECharT*>::value, "Call const overload");
+ if (__b == __e) return;
+ basic_string<_ECharT> __tmp(__b, __e);
+ _Narrower()(back_inserter(__dest), __tmp.data(),
+ __tmp.data() + __tmp.length());
+ }
+
+ template <class _Iter>
+ static void __append_range(string& __dest, _Iter __b, _NullSentinal) {
+ static_assert(!is_same<_Iter, _ECharT*>::value, "Call const overload");
+ const _ECharT __sentinal = _ECharT{};
+ if (*__b == __sentinal) return;
+ basic_string<_ECharT> __tmp;
+ for (; *__b != __sentinal; ++__b)
+ __tmp.push_back(*__b);
+ _Narrower()(back_inserter(__dest), __tmp.data(),
+ __tmp.data() + __tmp.length());
+ }
+
+ template <class _Source>
+ static void __append_source(string& __dest, _Source const& __s)
+ {
+ using _Traits = __is_pathable<_Source>;
+ __append_range(__dest, _Traits::__range_begin(__s), _Traits::__range_end(__s));
+ }
+};
+
+template <>
+struct _PathCVT<char> {
+ template <class _Iter>
+ static void __append_range(string& __dest, _Iter __b, _Iter __e) {
+ for (; __b != __e; ++__b)
+ __dest.push_back(*__b);
+ }
+
+ template <class _Iter>
+ static void __append_range(string& __dest, _Iter __b, _NullSentinal) {
+ const char __sentinal = char{};
+ for (; *__b != __sentinal; ++__b)
+ __dest.push_back(*__b);
+ }
+
+ template <class _Source>
+ static void __append_source(string& __dest, _Source const& __s)
+ {
+ using _Traits = __is_pathable<_Source>;
+ __append_range(__dest, _Traits::__range_begin(__s), _Traits::__range_end(__s));
+ }
+};
+
+
+class _LIBCPP_TYPE_VIS path
+{
+ template <class _SourceOrIter, class _Tp = path&>
+ using _EnableIfPathable = typename
+ enable_if<__is_pathable<_SourceOrIter>::value, _Tp>::type;
+
+ template <class _Tp>
+ using _SourceChar = typename __is_pathable<_Tp>::__char_type;
+
+ template <class _Tp>
+ using _SourceCVT = _PathCVT<_SourceChar<_Tp>>;
+
+public:
+ typedef char value_type;
+ typedef basic_string<value_type> string_type;
+ static _LIBCPP_CONSTEXPR value_type preferred_separator = '/';
+
+ // constructors and destructor
+ _LIBCPP_INLINE_VISIBILITY path() _NOEXCEPT {}
+ _LIBCPP_INLINE_VISIBILITY path(const path& __p) : __pn_(__p.__pn_) {}
+ _LIBCPP_INLINE_VISIBILITY path(path&& __p) _NOEXCEPT : __pn_(_VSTD::move(__p.__pn_)) {}
+
+ _LIBCPP_INLINE_VISIBILITY
+ path(string_type&& __s) _NOEXCEPT : __pn_(_VSTD::move(__s)) {}
+
+ template <
+ class _Source,
+ class = _EnableIfPathable<_Source, void>
+ >
+ path(const _Source& __src) {
+ _SourceCVT<_Source>::__append_source(__pn_, __src);
+ }
+
+ template <class _InputIt>
+ path(_InputIt __first, _InputIt __last) {
+ typedef typename iterator_traits<_InputIt>::value_type _ItVal;
+ _PathCVT<_ItVal>::__append_range(__pn_, __first, __last);
+ }
+
+ // TODO Implement locale conversions.
+ template <class _Source,
+ class = _EnableIfPathable<_Source, void>
+ >
+ path(const _Source& __src, const locale& __loc);
+ template <class _InputIt>
+ path(_InputIt __first, _InputIt _last, const locale& __loc);
+
+ _LIBCPP_INLINE_VISIBILITY
+ ~path() = default;
+
+ // assignments
+ _LIBCPP_INLINE_VISIBILITY
+ path& operator=(const path& __p) {
+ __pn_ = __p.__pn_;
+ return *this;
+ }
+
+ _LIBCPP_INLINE_VISIBILITY
+ path& operator=(path&& __p) _NOEXCEPT {
+ __pn_ = _VSTD::move(__p.__pn_);
+ return *this;
+ }
+
+ _LIBCPP_INLINE_VISIBILITY
+ path& operator=(string_type&& __s) _NOEXCEPT {
+ __pn_ = _VSTD::move(__s);
+ return *this;
+ }
+
+ _LIBCPP_INLINE_VISIBILITY
+ path& assign(string_type&& __s) _NOEXCEPT {
+ __pn_ = _VSTD::move(__s);
+ return *this;
+ }
+
+ template <class _Source>
+ _LIBCPP_INLINE_VISIBILITY
+ _EnableIfPathable<_Source>
+ operator=(const _Source& __src)
+ { return this->assign(__src); }
+
+
+ template <class _Source>
+ _EnableIfPathable<_Source>
+ assign(const _Source& __src) {
+ __pn_.clear();
+ _SourceCVT<_Source>::__append_source(__pn_, __src);
+ return *this;
+ }
+
+ template <class _InputIt>
+ path& assign(_InputIt __first, _InputIt __last) {
+ typedef typename iterator_traits<_InputIt>::value_type _ItVal;
+ __pn_.clear();
+ _PathCVT<_ItVal>::__append_range(__pn_, __first, __last);
+ return *this;
+ }
+
+private:
+ template <class _ECharT>
+ void __append_sep_if_needed(_ECharT __first_or_null) {
+ const _ECharT __null_val = {};
+ bool __append_sep = !empty() &&
+ !__is_separator(__pn_.back()) &&
+ __first_or_null != __null_val && // non-empty
+ !__is_separator(__first_or_null);
+ if (__append_sep)
+ __pn_ += preferred_separator;
+ }
+
+public:
+ // appends
+ path& operator/=(const path& __p) {
+ __append_sep_if_needed(__p.empty() ? char{} : __p.__pn_[0]);
+ __pn_ += __p.native();
+ return *this;
+ }
+
+ template <class _Source>
+ _LIBCPP_INLINE_VISIBILITY
+ _EnableIfPathable<_Source>
+ operator/=(const _Source& __src) {
+ return this->append(__src);
+ }
+
+ template <class _Source>
+ _EnableIfPathable<_Source>
+ append(const _Source& __src) {
+ using _Traits = __is_pathable<_Source>;
+ using _CVT = _PathCVT<_SourceChar<_Source>>;
+ __append_sep_if_needed(_Traits::__first_or_null(__src));
+ _CVT::__append_source(__pn_, __src);
+ return *this;
+ }
+
+ template <class _InputIt>
+ path& append(_InputIt __first, _InputIt __last) {
+ typedef typename iterator_traits<_InputIt>::value_type _ItVal;
+ static_assert(__can_convert_char<_ItVal>::value, "Must convertible");
+ using _CVT = _PathCVT<_ItVal>;
+ if (__first != __last) {
+ __append_sep_if_needed(*__first);
+ _CVT::__append_range(__pn_, __first, __last);
+ }
+ return *this;
+ }
+
+ // concatenation
+ _LIBCPP_INLINE_VISIBILITY
+ path& operator+=(const path& __x) {
+ __pn_ += __x.__pn_;
+ return *this;
+ }
+
+ _LIBCPP_INLINE_VISIBILITY
+ path& operator+=(const string_type& __x) {
+ __pn_ += __x;
+ return *this;
+ }
+
+ _LIBCPP_INLINE_VISIBILITY
+ path& operator+=(const value_type* __x) {
+ __pn_ += __x;
+ return *this;
+ }
+
+ _LIBCPP_INLINE_VISIBILITY
+ path& operator+=(value_type __x) {
+ __pn_ += __x;
+ return *this;
+ }
+
+
+ template <class _ECharT>
+ typename enable_if<__can_convert_char<_ECharT>::value, path&>::type
+ operator+=(_ECharT __x)
+ {
+ basic_string<_ECharT> __tmp;
+ __tmp += __x;
+ _PathCVT<_ECharT>::__append_source(__pn_, __tmp);
+ return *this;
+ }
+
+ template <class _Source>
+ _EnableIfPathable<_Source>
+ operator+=(const _Source& __x) {
+ return this->concat(__x);
+ }
+
+ template <class _Source>
+ _EnableIfPathable<_Source>
+ concat(const _Source& __x) {
+ _SourceCVT<_Source>::__append_source(__pn_, __x);
+ return *this;
+ }
+
+ template <class _InputIt>
+ path& concat(_InputIt __first, _InputIt __last) {
+ typedef typename iterator_traits<_InputIt>::value_type _ItVal;
+ _PathCVT<_ItVal>::__append_range(__pn_, __first, __last);
+ return *this;
+ }
+
+ // modifiers
+ _LIBCPP_INLINE_VISIBILITY
+ void clear() _NOEXCEPT {
+ __pn_.clear();
+ }
+
+ path& make_preferred() { return *this; }
+ path& remove_filename() { return *this = parent_path(); }
+
+ path& replace_filename(const path& __replacement) {
+ remove_filename();
+ return (*this /= __replacement);
+ }
+
+ path& replace_extension(const path& __replacement = path());
+
+ _LIBCPP_INLINE_VISIBILITY
+ void swap(path& __rhs) _NOEXCEPT {
+ __pn_.swap(__rhs.__pn_);
+ }
+
+ // native format observers
+ _LIBCPP_INLINE_VISIBILITY
+ const string_type& native() const _NOEXCEPT {
+ return __pn_;
+ }
+
+ _LIBCPP_INLINE_VISIBILITY
+ const value_type* c_str() const _NOEXCEPT { return __pn_.c_str(); }
+
+ _LIBCPP_INLINE_VISIBILITY operator string_type() const { return __pn_; }
+
+ template <class _ECharT, class _Traits = char_traits<_ECharT>,
+ class _Allocator = allocator<_ECharT> >
+ basic_string<_ECharT, _Traits, _Allocator>
+ string(const _Allocator& __a = _Allocator()) const {
+ using _CVT = __widen_from_utf8<sizeof(_ECharT)*__CHAR_BIT__>;
+ using _Str = basic_string<_ECharT, _Traits, _Allocator>;
+ _Str __s(__a);
+ __s.reserve(__pn_.size());
+ _CVT()(back_inserter(__s), __pn_.data(), __pn_.data() + __pn_.size());
+ return __s;
+ }
+
+ _LIBCPP_INLINE_VISIBILITY std::string string() const { return __pn_; }
+ _LIBCPP_INLINE_VISIBILITY std::wstring wstring() const { return string<wchar_t>(); }
+ _LIBCPP_INLINE_VISIBILITY std::string u8string() const { return __pn_; }
+ _LIBCPP_INLINE_VISIBILITY std::u16string u16string() const { return string<char16_t>(); }
+ _LIBCPP_INLINE_VISIBILITY std::u32string u32string() const { return string<char32_t>(); }
+
+ // generic format observers
+ template <class _ECharT, class _Traits = char_traits<_ECharT>,
+ class _Allocator = allocator<_ECharT>
+ >
+ basic_string<_ECharT, _Traits, _Allocator>
+ generic_string(const _Allocator& __a = _Allocator()) const {
+ return string<_ECharT, _Traits, _Allocator>(__a);
+ }
+
+ std::string generic_string() const { return __pn_; }
+ std::wstring generic_wstring() const { return string<wchar_t>(); }
+ std::string generic_u8string() const { return __pn_; }
+ std::u16string generic_u16string() const { return string<char16_t>(); }
+ std::u32string generic_u32string() const { return string<char32_t>(); }
+
+private:
+ _LIBCPP_FUNC_VIS int __compare(const value_type*) const;
+ _LIBCPP_FUNC_VIS string_view __root_name() const;
+ _LIBCPP_FUNC_VIS string_view __root_directory() const;
+ _LIBCPP_FUNC_VIS string_view __relative_path() const;
+ _LIBCPP_FUNC_VIS string_view __parent_path() const;
+ _LIBCPP_FUNC_VIS string_view __filename() const;
+ _LIBCPP_FUNC_VIS string_view __stem() const;
+ _LIBCPP_FUNC_VIS string_view __extension() const;
+
+public:
+ // compare
+ _LIBCPP_INLINE_VISIBILITY int compare(const path& __p) const _NOEXCEPT { return __compare(__p.c_str());}
+ _LIBCPP_INLINE_VISIBILITY int compare(const string_type& __s) const { return __compare(__s.c_str()); }
+ _LIBCPP_INLINE_VISIBILITY int compare(const value_type* __s) const { return __compare(__s); }
+
+ // decomposition
+ _LIBCPP_INLINE_VISIBILITY path root_name() const { return __root_name().to_string(); }
+ _LIBCPP_INLINE_VISIBILITY path root_directory() const { return __root_directory().to_string(); }
+ _LIBCPP_INLINE_VISIBILITY path root_path() const { return root_name().append(__root_directory().to_string()); }
+ _LIBCPP_INLINE_VISIBILITY path relative_path() const { return __relative_path().to_string(); }
+ _LIBCPP_INLINE_VISIBILITY path parent_path() const { return __parent_path().to_string(); }
+ _LIBCPP_INLINE_VISIBILITY path filename() const { return __filename().to_string(); }
+ _LIBCPP_INLINE_VISIBILITY path stem() const { return __stem().to_string();}
+ _LIBCPP_INLINE_VISIBILITY path extension() const { return __extension().to_string(); }
+
+ // query
+ _LIBCPP_INLINE_VISIBILITY bool empty() const _NOEXCEPT { return __pn_.empty(); }
+
+ _LIBCPP_INLINE_VISIBILITY bool has_root_name() const { return !__root_name().empty(); }
+ _LIBCPP_INLINE_VISIBILITY bool has_root_directory() const { return !__root_directory().empty(); }
+ _LIBCPP_INLINE_VISIBILITY bool has_root_path() const { return !(__root_name().empty() && __root_directory().empty()); }
+ _LIBCPP_INLINE_VISIBILITY bool has_relative_path() const { return !__relative_path().empty(); }
+ _LIBCPP_INLINE_VISIBILITY bool has_parent_path() const { return !__parent_path().empty(); }
+ _LIBCPP_INLINE_VISIBILITY bool has_filename() const { return !__filename().empty(); }
+ _LIBCPP_INLINE_VISIBILITY bool has_stem() const { return !__stem().empty(); }
+ _LIBCPP_INLINE_VISIBILITY bool has_extension() const { return !__extension().empty(); }
+
+ _LIBCPP_INLINE_VISIBILITY bool is_absolute() const { return has_root_directory(); }
+ _LIBCPP_INLINE_VISIBILITY bool is_relative() const { return !is_absolute(); }
+
+ // iterators
+ class _LIBCPP_TYPE_VIS iterator;
+ typedef iterator const_iterator;
+
+ _LIBCPP_FUNC_VIS iterator begin() const;
+ _LIBCPP_FUNC_VIS iterator end() const;
+
+private:
+ inline _LIBCPP_INLINE_VISIBILITY
+ path& __assign_view(string_view const& __s) noexcept { __pn_ = __s.to_string(); return *this; }
+ string_type __pn_;
+};
+
+inline _LIBCPP_ALWAYS_INLINE
+void swap(path& __lhs, path& __rhs) _NOEXCEPT {
+ __lhs.swap(__rhs);
+}
+
+_LIBCPP_FUNC_VIS
+size_t hash_value(const path& __p) _NOEXCEPT;
+
+inline _LIBCPP_INLINE_VISIBILITY
+bool operator==(const path& __lhs, const path& __rhs) _NOEXCEPT
+{ return __lhs.compare(__rhs) == 0; }
+
+inline _LIBCPP_INLINE_VISIBILITY
+bool operator!=(const path& __lhs, const path& __rhs) _NOEXCEPT
+{ return __lhs.compare(__rhs) != 0; }
+
+inline _LIBCPP_INLINE_VISIBILITY
+bool operator<(const path& __lhs, const path& __rhs) _NOEXCEPT
+{ return __lhs.compare(__rhs) < 0; }
+
+inline _LIBCPP_INLINE_VISIBILITY
+bool operator<=(const path& __lhs, const path& __rhs) _NOEXCEPT
+{ return __lhs.compare(__rhs) <= 0; }
+
+inline _LIBCPP_INLINE_VISIBILITY
+bool operator>(const path& __lhs, const path& __rhs) _NOEXCEPT
+{ return __lhs.compare(__rhs) > 0; }
+
+inline _LIBCPP_INLINE_VISIBILITY
+bool operator>=(const path& __lhs, const path& __rhs) _NOEXCEPT
+{ return __lhs.compare(__rhs) >= 0; }
+
+inline _LIBCPP_INLINE_VISIBILITY
+path operator/(const path& __lhs, const path& __rhs) {
+ return path(__lhs) /= __rhs;
+}
+
+template <class _CharT, class _Traits>
+_LIBCPP_INLINE_VISIBILITY
+typename enable_if<is_same<_CharT, char>::value &&
+ is_same<_Traits, char_traits<char>>::value,
+ basic_ostream<_CharT, _Traits>&
+>::type
+operator<<(basic_ostream<_CharT, _Traits>& __os, const path& __p) {
+ __os << std::__quoted(__p.native());
+ return __os;
+}
+
+template <class _CharT, class _Traits>
+_LIBCPP_INLINE_VISIBILITY
+typename enable_if<!is_same<_CharT, char>::value ||
+ !is_same<_Traits, char_traits<char>>::value,
+ basic_ostream<_CharT, _Traits>&
+>::type
+operator<<(basic_ostream<_CharT, _Traits>& __os, const path& __p) {
+ __os << std::__quoted(__p.string<_CharT, _Traits>());
+ return __os;
+}
+
+template <class _CharT, class _Traits>
+_LIBCPP_INLINE_VISIBILITY
+basic_istream<_CharT, _Traits>&
+operator>>(basic_istream<_CharT, _Traits>& __is, path& __p)
+{
+ basic_string<_CharT, _Traits> __tmp;
+ __is >> __quoted(__tmp);
+ __p = __tmp;
+ return __is;
+}
+
+template <class _Source>
+_LIBCPP_INLINE_VISIBILITY
+typename enable_if<__is_pathable<_Source>::value, path>::type
+u8path(const _Source& __s){
+ static_assert(is_same<typename __is_pathable<_Source>::__char_type, char>::value,
+ "u8path(Source const&) requires Source have a character type of type 'char'");
+ return path(__s);
+}
+
+template <class _InputIt>
+_LIBCPP_INLINE_VISIBILITY
+typename enable_if<__is_pathable<_InputIt>::value, path>::type
+u8path(_InputIt __f, _InputIt __l) {
+ static_assert(is_same<typename __is_pathable<_InputIt>::__char_type, char>::value,
+ "u8path(Iter, Iter) requires Iter have a value_type of type 'char'");
+ return path(__f, __l);
+}
+
+class _LIBCPP_TYPE_VIS path::iterator
+{
+public:
+ typedef bidirectional_iterator_tag iterator_category;
+ typedef path value_type;
+ typedef std::ptrdiff_t difference_type;
+ typedef const path* pointer;
+ typedef const path& reference;
+public:
+ _LIBCPP_INLINE_VISIBILITY
+ iterator() : __elem_(), __path_ptr_(nullptr), __pos_(0) {}
+
+ iterator(const iterator&) = default;
+ ~iterator() = default;
+
+ iterator& operator=(const iterator&) = default;
+
+ _LIBCPP_INLINE_VISIBILITY
+ reference operator*() const {
+ return __elem_;
+ }
+
+ _LIBCPP_INLINE_VISIBILITY
+ pointer operator->() const {
+ return &__elem_;
+ }
+
+ _LIBCPP_INLINE_VISIBILITY
+ iterator& operator++() {
+ return __increment();
+ }
+
+ _LIBCPP_INLINE_VISIBILITY
+ iterator operator++(int) {
+ iterator __it(*this);
+ this->operator++();
+ return __it;
+ }
+
+ _LIBCPP_INLINE_VISIBILITY
+ iterator& operator--() {
+ return __decrement();
+ }
+
+ _LIBCPP_INLINE_VISIBILITY
+ iterator operator--(int) {
+ iterator __it(*this);
+ this->operator--();
+ return __it;
+ }
+
+private:
+ friend class path;
+ friend bool operator==(const iterator&, const iterator&);
+
+ _LIBCPP_FUNC_VIS iterator& __increment();
+ _LIBCPP_FUNC_VIS iterator& __decrement();
+
+ path __elem_;
+ const path* __path_ptr_;
+ size_t __pos_;
+};
+
+inline _LIBCPP_INLINE_VISIBILITY
+bool operator==(const path::iterator& __lhs, const path::iterator& __rhs) {
+ return __lhs.__path_ptr_ == __rhs.__path_ptr_ &&
+ __lhs.__pos_ == __rhs.__pos_;
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+bool operator!=(const path::iterator& __lhs, const path::iterator& __rhs) {
+ return !(__lhs == __rhs);
+}
+
+class _LIBCPP_EXCEPTION_ABI filesystem_error : public system_error
+{
+public:
+ _LIBCPP_INLINE_VISIBILITY
+ filesystem_error(const string& __what, error_code __ec)
+ : system_error(__ec, __what),
+ __paths_(make_shared<_Storage>(path(), path()))
+ {}
+
+ _LIBCPP_INLINE_VISIBILITY
+ filesystem_error(const string& __what, const path& __p1, error_code __ec)
+ : system_error(__ec, __what),
+ __paths_(make_shared<_Storage>(__p1, path()))
+ {}
+
+ _LIBCPP_INLINE_VISIBILITY
+ filesystem_error(const string& __what, const path& __p1, const path& __p2,
+ error_code __ec)
+ : system_error(__ec, __what),
+ __paths_(make_shared<_Storage>(__p1, __p2))
+ {}
+
+ _LIBCPP_INLINE_VISIBILITY
+ const path& path1() const _NOEXCEPT {
+ return __paths_->first;
+ }
+
+ _LIBCPP_INLINE_VISIBILITY
+ const path& path2() const _NOEXCEPT {
+ return __paths_->second;
+ }
+
+ _LIBCPP_FUNC_VIS
+ ~filesystem_error() override; // key function
+
+ // TODO(ericwf): Create a custom error message.
+ //const char* what() const _NOEXCEPT;
+
+private:
+ typedef pair<path, path> _Storage;
+ shared_ptr<_Storage> __paths_;
+};
+
+// operational functions
+
+_LIBCPP_FUNC_VIS
+path __canonical(const path&, const path&, error_code *__ec=nullptr);
+_LIBCPP_FUNC_VIS
+void __copy(const path& __from, const path& __to, copy_options __opt,
+ error_code *__ec=nullptr);
+_LIBCPP_FUNC_VIS
+bool __copy_file(const path& __from, const path& __to, copy_options __opt,
+ error_code *__ec=nullptr);
+_LIBCPP_FUNC_VIS
+void __copy_symlink(const path& __existing_symlink, const path& __new_symlink,
+ error_code *__ec=nullptr);
+_LIBCPP_FUNC_VIS
+bool __create_directories(const path& p, error_code *ec=nullptr);
+_LIBCPP_FUNC_VIS
+bool __create_directory(const path& p, error_code *ec=nullptr);
+_LIBCPP_FUNC_VIS
+bool __create_directory(const path& p, const path & attributes,
+ error_code *ec=nullptr);
+_LIBCPP_FUNC_VIS
+void __create_directory_symlink(const path& __to, const path& __new_symlink,
+ error_code *__ec=nullptr);
+_LIBCPP_FUNC_VIS
+void __create_hard_link(const path& __to, const path& __new_hard_link,
+ error_code *__ec=nullptr);
+_LIBCPP_FUNC_VIS
+void __create_symlink(const path& __to, const path& __new_symlink,
+ error_code *__ec=nullptr);
+_LIBCPP_FUNC_VIS
+path __current_path(error_code *__ec=nullptr);
+_LIBCPP_FUNC_VIS
+void __current_path(const path&, error_code *__ec=nullptr);
+_LIBCPP_FUNC_VIS
+bool __equivalent(const path&, const path&, error_code *__ec=nullptr);
+_LIBCPP_FUNC_VIS
+uintmax_t __file_size(const path&, error_code *__ec=nullptr);
+_LIBCPP_FUNC_VIS
+uintmax_t __hard_link_count(const path&, error_code *__ec=nullptr);
+_LIBCPP_FUNC_VIS
+bool __fs_is_empty(const path& p, error_code *ec=nullptr);
+_LIBCPP_FUNC_VIS
+file_time_type __last_write_time(const path& p, error_code *ec=nullptr);
+_LIBCPP_FUNC_VIS
+void __last_write_time(const path& p, file_time_type new_time,
+ error_code *ec=nullptr);
+_LIBCPP_FUNC_VIS
+void __permissions(const path& p, perms prms, error_code *ec=nullptr);
+_LIBCPP_FUNC_VIS
+path __read_symlink(const path& p, error_code *ec=nullptr);
+_LIBCPP_FUNC_VIS
+bool __remove(const path& p, error_code *ec=nullptr);
+_LIBCPP_FUNC_VIS
+uintmax_t __remove_all(const path& p, error_code *ec=nullptr);
+_LIBCPP_FUNC_VIS
+void __rename(const path& from, const path& to, error_code *ec=nullptr);
+_LIBCPP_FUNC_VIS
+void __resize_file(const path& p, uintmax_t size, error_code *ec=nullptr);
+_LIBCPP_FUNC_VIS
+space_info __space(const path&, error_code *__ec=nullptr);
+_LIBCPP_FUNC_VIS
+file_status __status(const path&, error_code *__ec=nullptr);
+_LIBCPP_FUNC_VIS
+file_status __symlink_status(const path&, error_code *__ec=nullptr);
+_LIBCPP_FUNC_VIS
+path __system_complete(const path&, error_code *__ec=nullptr);
+_LIBCPP_FUNC_VIS
+path __temp_directory_path(error_code *__ec=nullptr);
+
+inline _LIBCPP_INLINE_VISIBILITY
+path current_path() {
+ return __current_path();
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+path current_path(error_code& __ec) {
+ return __current_path(&__ec);
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+void current_path(const path& __p) {
+ __current_path(__p);
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+void current_path(const path& __p, error_code& __ec) _NOEXCEPT {
+ __current_path(__p, &__ec);
+}
+
+_LIBCPP_FUNC_VIS
+path absolute(const path&, const path& __p2 = current_path());
+
+inline _LIBCPP_INLINE_VISIBILITY
+path canonical(const path& __p, const path& __base = current_path()) {
+ return __canonical(__p, __base);
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+path canonical(const path& __p, error_code& __ec) {
+ path __base = __current_path(&__ec);
+ if (__ec) return {};
+ return __canonical(__p, __base, &__ec);
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+path canonical(const path& __p, const path& __base, error_code& __ec) {
+ return __canonical(__p, __base, &__ec);
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+void copy(const path& __from, const path& __to) {
+ __copy(__from, __to, copy_options::none);
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+void copy(const path& __from, const path& __to, error_code& __ec) _NOEXCEPT {
+ __copy(__from, __to, copy_options::none, &__ec);
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+void copy(const path& __from, const path& __to, copy_options __opt) {
+ __copy(__from, __to, __opt);
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+void copy(const path& __from, const path& __to,
+ copy_options __opt, error_code& __ec) _NOEXCEPT {
+ __copy(__from, __to, __opt, &__ec);
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+bool copy_file(const path& __from, const path& __to) {
+ return __copy_file(__from, __to, copy_options::none);
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+bool copy_file(const path& __from, const path& __to, error_code& __ec) _NOEXCEPT {
+ return __copy_file(__from, __to, copy_options::none, &__ec);
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+bool copy_file(const path& __from, const path& __to, copy_options __opt) {
+ return __copy_file(__from, __to, __opt);
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+bool copy_file(const path& __from, const path& __to,
+ copy_options __opt, error_code& __ec) _NOEXCEPT {
+ return __copy_file(__from, __to, __opt, &__ec);
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+void copy_symlink(const path& __existing, const path& __new) {
+ __copy_symlink(__existing, __new);
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+void copy_symlink(const path& __ext, const path& __new, error_code& __ec) _NOEXCEPT {
+ __copy_symlink(__ext, __new, &__ec);
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+bool create_directories(const path& __p) {
+ return __create_directories(__p);
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+bool create_directories(const path& __p, error_code& __ec) _NOEXCEPT {
+ return __create_directories(__p, &__ec);
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+bool create_directory(const path& __p) {
+ return __create_directory(__p);
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+bool create_directory(const path& __p, error_code& __ec) _NOEXCEPT {
+ return __create_directory(__p, &__ec);
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+bool create_directory(const path& __p, const path& __attrs) {
+ return __create_directory(__p, __attrs);
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+bool create_directory(const path& __p, const path& __attrs, error_code& __ec) _NOEXCEPT {
+ return __create_directory(__p, __attrs, &__ec);
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+void create_directory_symlink(const path& __to, const path& __new) {
+ __create_directory_symlink(__to, __new);
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+void create_directory_symlink(const path& __to, const path& __new,
+ error_code& __ec) _NOEXCEPT {
+ __create_directory_symlink(__to, __new, &__ec);
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+void create_hard_link(const path& __to, const path& __new) {
+ __create_hard_link(__to, __new);
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+void create_hard_link(const path& __to, const path& __new, error_code& __ec) _NOEXCEPT {
+ __create_hard_link(__to, __new, &__ec);
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+void create_symlink(const path& __to, const path& __new) {
+ __create_symlink(__to, __new);
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+void create_symlink(const path& __to, const path& __new, error_code& __ec) _NOEXCEPT {
+ return __create_symlink(__to, __new, &__ec);
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+bool status_known(file_status __s) _NOEXCEPT {
+ return __s.type() != file_type::none;
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+bool exists(file_status __s) _NOEXCEPT {
+ return status_known(__s) && __s.type() != file_type::not_found;
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+bool exists(const path& __p) {
+ return exists(__status(__p));
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+bool exists(const path& __p, error_code& __ec) _NOEXCEPT {
+ auto __s = __status(__p, &__ec);
+ if (status_known(__s)) __ec.clear();
+ return exists(__s);
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+bool equivalent(const path& __p1, const path& __p2) {
+ return __equivalent(__p1, __p2);
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+bool equivalent(const path& __p1, const path& __p2, error_code& __ec) _NOEXCEPT {
+ return __equivalent(__p1, __p2, &__ec);
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+uintmax_t file_size(const path& __p) {
+ return __file_size(__p);
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+uintmax_t file_size(const path& __p, error_code& __ec) _NOEXCEPT {
+ return __file_size(__p, &__ec);
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+uintmax_t hard_link_count(const path& __p) {
+ return __hard_link_count(__p);
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+uintmax_t hard_link_count(const path& __p, error_code& __ec) _NOEXCEPT {
+ return __hard_link_count(__p, &__ec);
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+bool is_block_file(file_status __s) _NOEXCEPT {
+ return __s.type() == file_type::block;
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+bool is_block_file(const path& __p) {
+ return is_block_file(__status(__p));
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+bool is_block_file(const path& __p, error_code& __ec) _NOEXCEPT {
+ return is_block_file(__status(__p, &__ec));
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+bool is_character_file(file_status __s) _NOEXCEPT {
+ return __s.type() == file_type::character;
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+bool is_character_file(const path& __p) {
+ return is_character_file(__status(__p));
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+bool is_character_file(const path& __p, error_code& __ec) _NOEXCEPT {
+ return is_character_file(__status(__p, &__ec));
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+bool is_directory(file_status __s) _NOEXCEPT {
+ return __s.type() == file_type::directory;
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+bool is_directory(const path& __p) {
+ return is_directory(__status(__p));
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+bool is_directory(const path& __p, error_code& __ec) _NOEXCEPT {
+ return is_directory(__status(__p, &__ec));
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+bool is_empty(const path& __p) {
+ return __fs_is_empty(__p);
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+bool is_empty(const path& __p, error_code& __ec) _NOEXCEPT {
+ return __fs_is_empty(__p, &__ec);
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+bool is_fifo(file_status __s) _NOEXCEPT {
+ return __s.type() == file_type::fifo;
+}
+inline _LIBCPP_INLINE_VISIBILITY
+bool is_fifo(const path& __p) {
+ return is_fifo(__status(__p));
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+bool is_fifo(const path& __p, error_code& __ec) _NOEXCEPT {
+ return is_fifo(__status(__p, &__ec));
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+bool is_regular_file(file_status __s) _NOEXCEPT {
+ return __s.type() == file_type::regular;
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+bool is_regular_file(const path& __p) {
+ return is_regular_file(__status(__p));
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+bool is_regular_file(const path& __p, error_code& __ec) _NOEXCEPT {
+ return is_regular_file(__status(__p, &__ec));
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+bool is_socket(file_status __s) _NOEXCEPT {
+ return __s.type() == file_type::socket;
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+bool is_socket(const path& __p) {
+ return is_socket(__status(__p));
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+bool is_socket(const path& __p, error_code& __ec) _NOEXCEPT {
+ return is_socket(__status(__p, &__ec));
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+bool is_symlink(file_status __s) _NOEXCEPT {
+ return __s.type() == file_type::symlink;
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+bool is_symlink(const path& __p) {
+ return is_symlink(__symlink_status(__p));
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+bool is_symlink(const path& __p, error_code& __ec) _NOEXCEPT {
+ return is_symlink(__symlink_status(__p, &__ec));
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+bool is_other(file_status __s) _NOEXCEPT {
+ return exists(__s)
+ && !is_regular_file(__s) && !is_directory(__s) && !is_symlink(__s);
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+bool is_other(const path& __p) {
+ return is_other(__status(__p));
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+bool is_other(const path& __p, error_code& __ec) _NOEXCEPT {
+ return is_other(__status(__p, &__ec));
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+file_time_type last_write_time(const path& __p) {
+ return __last_write_time(__p);
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+file_time_type last_write_time(const path& __p, error_code& __ec) _NOEXCEPT {
+ return __last_write_time(__p, &__ec);
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+void last_write_time(const path& __p, file_time_type __t) {
+ __last_write_time(__p, __t);
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+void last_write_time(const path& __p, file_time_type __t, error_code& __ec) _NOEXCEPT {
+ __last_write_time(__p, __t, &__ec);
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+void permissions(const path& __p, perms __prms) {
+ __permissions(__p, __prms);
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+void permissions(const path& __p, perms __prms, error_code& __ec) {
+ __permissions(__p, __prms, &__ec);
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+path read_symlink(const path& __p) {
+ return __read_symlink(__p);
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+path read_symlink(const path& __p, error_code& __ec) {
+ return __read_symlink(__p, &__ec);
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+bool remove(const path& __p) {
+ return __remove(__p);
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+bool remove(const path& __p, error_code& __ec) _NOEXCEPT {
+ return __remove(__p, &__ec);
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+uintmax_t remove_all(const path& __p) {
+ return __remove_all(__p);
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+uintmax_t remove_all(const path& __p, error_code& __ec) _NOEXCEPT {
+ return __remove_all(__p, &__ec);
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+void rename(const path& __from, const path& __to) {
+ return __rename(__from, __to);
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+void rename(const path& __from, const path& __to, error_code& __ec) _NOEXCEPT {
+ return __rename(__from, __to, &__ec);
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+void resize_file(const path& __p, uintmax_t __ns) {
+ return __resize_file(__p, __ns);
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+void resize_file(const path& __p, uintmax_t __ns, error_code& __ec) _NOEXCEPT {
+ return __resize_file(__p, __ns, &__ec);
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+space_info space(const path& __p) {
+ return __space(__p);
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+space_info space(const path& __p, error_code& __ec) _NOEXCEPT {
+ return __space(__p, &__ec);
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+file_status status(const path& __p) {
+ return __status(__p);
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+file_status status(const path& __p, error_code& __ec) _NOEXCEPT {
+ return __status(__p, &__ec);
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+file_status symlink_status(const path& __p) {
+ return __symlink_status(__p);
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+file_status symlink_status(const path& __p, error_code& __ec) _NOEXCEPT {
+ return __symlink_status(__p, &__ec);
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+path system_complete(const path& __p) {
+ return __system_complete(__p);
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+path system_complete(const path& __p, error_code& __ec) {
+ return __system_complete(__p, &__ec);
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+path temp_directory_path() {
+ return __temp_directory_path();
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+path temp_directory_path(error_code& __ec) {
+ return __temp_directory_path(&__ec);
+}
+
+
+class directory_entry
+{
+ typedef _VSTD_FS::path _Path;
+
+public:
+ // constructors and destructors
+ directory_entry() _NOEXCEPT = default;
+ directory_entry(directory_entry const&) = default;
+ directory_entry(directory_entry&&) _NOEXCEPT = default;
+
+ _LIBCPP_INLINE_VISIBILITY
+ explicit directory_entry(_Path const& __p) : __p_(__p) {}
+
+ ~directory_entry() {}
+
+ directory_entry& operator=(directory_entry const&) = default;
+ directory_entry& operator=(directory_entry&&) _NOEXCEPT = default;
+
+ _LIBCPP_INLINE_VISIBILITY
+ void assign(_Path const& __p) {
+ __p_ = __p;
+ }
+
+ _LIBCPP_INLINE_VISIBILITY
+ void replace_filename(_Path const& __p) {
+ __p_ = __p_.parent_path() / __p;
+ }
+
+ _LIBCPP_INLINE_VISIBILITY
+ _Path const& path() const _NOEXCEPT {
+ return __p_;
+ }
+
+ _LIBCPP_INLINE_VISIBILITY
+ operator const _Path&() const _NOEXCEPT {
+ return __p_;
+ }
+
+ _LIBCPP_INLINE_VISIBILITY
+ file_status status() const {
+ return _VSTD_FS::status(__p_);
+ }
+
+ _LIBCPP_INLINE_VISIBILITY
+ file_status status(error_code& __ec) const _NOEXCEPT {
+ return _VSTD_FS::status(__p_, __ec);
+ }
+
+ _LIBCPP_INLINE_VISIBILITY
+ file_status symlink_status() const {
+ return _VSTD_FS::symlink_status(__p_);
+ }
+
+ _LIBCPP_INLINE_VISIBILITY
+ file_status symlink_status(error_code& __ec) const _NOEXCEPT {
+ return _VSTD_FS::symlink_status(__p_, __ec);
+ }
+
+ _LIBCPP_INLINE_VISIBILITY
+ bool operator< (directory_entry const& __rhs) const _NOEXCEPT {
+ return __p_ < __rhs.__p_;
+ }
+
+ _LIBCPP_INLINE_VISIBILITY
+ bool operator==(directory_entry const& __rhs) const _NOEXCEPT {
+ return __p_ == __rhs.__p_;
+ }
+
+ _LIBCPP_INLINE_VISIBILITY
+ bool operator!=(directory_entry const& __rhs) const _NOEXCEPT {
+ return __p_ != __rhs.__p_;
+ }
+
+ _LIBCPP_INLINE_VISIBILITY
+ bool operator<=(directory_entry const& __rhs) const _NOEXCEPT {
+ return __p_ <= __rhs.__p_;
+ }
+
+ _LIBCPP_INLINE_VISIBILITY
+ bool operator> (directory_entry const& __rhs) const _NOEXCEPT {
+ return __p_ > __rhs.__p_;
+ }
+
+ _LIBCPP_INLINE_VISIBILITY
+ bool operator>=(directory_entry const& __rhs) const _NOEXCEPT {
+ return __p_ >= __rhs.__p_;
+ }
+private:
+ _Path __p_;
+};
+
+
+class directory_iterator;
+class recursive_directory_iterator;
+class __dir_stream;
+
+class __dir_element_proxy {
+public:
+
+ inline _LIBCPP_INLINE_VISIBILITY
+ directory_entry operator*() { return _VSTD::move(__elem_); }
+
+private:
+ friend class directory_iterator;
+ friend class recursive_directory_iterator;
+ explicit __dir_element_proxy(directory_entry const& __e) : __elem_(__e) {}
+ __dir_element_proxy(__dir_element_proxy&& __o) : __elem_(_VSTD::move(__o.__elem_)) {}
+ directory_entry __elem_;
+};
+
+class directory_iterator
+{
+public:
+ typedef directory_entry value_type;
+ typedef ptrdiff_t difference_type;
+ typedef value_type const* pointer;
+ typedef value_type const& reference;
+ typedef input_iterator_tag iterator_category;
+
+public:
+ //ctor & dtor
+ directory_iterator() _NOEXCEPT
+ { }
+
+ explicit directory_iterator(const path& __p)
+ : directory_iterator(__p, nullptr)
+ { }
+
+ directory_iterator(const path& __p, directory_options __opts)
+ : directory_iterator(__p, nullptr, __opts)
+ { }
+
+ directory_iterator(const path& __p, error_code& __ec) _NOEXCEPT
+ : directory_iterator(__p, &__ec)
+ { }
+
+ directory_iterator(const path& __p, directory_options __opts,
+ error_code& __ec) _NOEXCEPT
+ : directory_iterator(__p, &__ec, __opts)
+ { }
+
+ directory_iterator(const directory_iterator&) = default;
+ directory_iterator(directory_iterator&&) = default;
+ directory_iterator& operator=(const directory_iterator&) = default;
+
+ directory_iterator& operator=(directory_iterator&& __o) _NOEXCEPT {
+ // non-default implementation provided to support self-move assign.
+ if (this != &__o) {
+ __imp_ = _VSTD::move(__o.__imp_);
+ }
+ return *this;
+ }
+
+ ~directory_iterator() = default;
+
+ const directory_entry& operator*() const {
+ _LIBCPP_ASSERT(__imp_, "The end iterator cannot be dereferenced");
+ return __deref();
+ }
+
+ const directory_entry* operator->() const
+ { return &**this; }
+
+ directory_iterator& operator++()
+ { return __increment(); }
+
+ __dir_element_proxy operator++(int) {
+ __dir_element_proxy __p(**this);
+ __increment();
+ return __p;
+ }
+
+ directory_iterator& increment(error_code& __ec) _NOEXCEPT
+ { return __increment(&__ec); }
+
+private:
+ friend bool operator==(const directory_iterator& __lhs,
+ const directory_iterator& __rhs) _NOEXCEPT;
+
+ // construct the dir_stream
+ _LIBCPP_FUNC_VIS
+ directory_iterator(const path&, error_code *, directory_options = directory_options::none);
+ _LIBCPP_FUNC_VIS
+ directory_iterator& __increment(error_code * __ec = nullptr);
+ _LIBCPP_FUNC_VIS
+ const directory_entry& __deref() const;
+
+private:
+ shared_ptr<__dir_stream> __imp_;
+};
+
+
+inline _LIBCPP_INLINE_VISIBILITY
+bool operator==(const directory_iterator& __lhs,
+ const directory_iterator& __rhs) _NOEXCEPT {
+ return __lhs.__imp_ == __rhs.__imp_;
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+bool operator!=(const directory_iterator& __lhs,
+ const directory_iterator& __rhs) _NOEXCEPT {
+ return !(__lhs == __rhs);
+}
+
+// enable directory_iterator range-based for statements
+inline _LIBCPP_INLINE_VISIBILITY
+directory_iterator begin(directory_iterator __iter) _NOEXCEPT {
+ return __iter;
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+directory_iterator end(const directory_iterator&) _NOEXCEPT {
+ return directory_iterator();
+}
+
+class recursive_directory_iterator {
+public:
+ using value_type = directory_entry;
+ using difference_type = std::ptrdiff_t;
+ using pointer = directory_entry const *;
+ using reference = directory_entry const &;
+ using iterator_category = std::input_iterator_tag;
+
+public:
+ // constructors and destructor
+ _LIBCPP_INLINE_VISIBILITY
+ recursive_directory_iterator() _NOEXCEPT
+ : __rec_(false)
+ {}
+
+ _LIBCPP_INLINE_VISIBILITY
+ explicit recursive_directory_iterator(const path& __p,
+ directory_options __xoptions = directory_options::none)
+ : recursive_directory_iterator(__p, __xoptions, nullptr)
+ { }
+
+ _LIBCPP_INLINE_VISIBILITY
+ recursive_directory_iterator(const path& __p,
+ directory_options __xoptions, error_code& __ec) _NOEXCEPT
+ : recursive_directory_iterator(__p, __xoptions, &__ec)
+ { }
+
+ _LIBCPP_INLINE_VISIBILITY
+ recursive_directory_iterator(const path& __p, error_code& __ec) _NOEXCEPT
+ : recursive_directory_iterator(__p, directory_options::none, &__ec)
+ { }
+
+ recursive_directory_iterator(const recursive_directory_iterator&) = default;
+ recursive_directory_iterator(recursive_directory_iterator&&) = default;
+
+ recursive_directory_iterator &
+ operator=(const recursive_directory_iterator&) = default;
+
+ _LIBCPP_INLINE_VISIBILITY
+ recursive_directory_iterator &
+ operator=(recursive_directory_iterator&& __o) noexcept {
+ // non-default implementation provided to support self-move assign.
+ if (this != &__o) {
+ __imp_ = _VSTD::move(__o.__imp_);
+ __rec_ = __o.__rec_;
+ }
+ return *this;
+ }
+
+ ~recursive_directory_iterator() = default;
+
+ _LIBCPP_INLINE_VISIBILITY
+ const directory_entry& operator*() const
+ { return __deref(); }
+
+ _LIBCPP_INLINE_VISIBILITY
+ const directory_entry* operator->() const
+ { return &__deref(); }
+
+ recursive_directory_iterator& operator++()
+ { return __increment(); }
+
+ _LIBCPP_INLINE_VISIBILITY
+ __dir_element_proxy operator++(int) {
+ __dir_element_proxy __p(**this);
+ __increment();
+ return __p;
+ }
+
+ _LIBCPP_INLINE_VISIBILITY
+ recursive_directory_iterator& increment(error_code& __ec) _NOEXCEPT
+ { return __increment(&__ec); }
+
+ _LIBCPP_FUNC_VIS directory_options options() const;
+ _LIBCPP_FUNC_VIS int depth() const;
+
+ _LIBCPP_INLINE_VISIBILITY
+ void pop() { __pop(); }
+
+ _LIBCPP_INLINE_VISIBILITY
+ void pop(error_code& __ec)
+ { __pop(&__ec); }
+
+ _LIBCPP_INLINE_VISIBILITY
+ bool recursion_pending() const
+ { return __rec_; }
+
+ _LIBCPP_INLINE_VISIBILITY
+ void disable_recursion_pending()
+ { __rec_ = false; }
+
+private:
+ recursive_directory_iterator(const path& __p, directory_options __opt,
+ error_code *__ec);
+
+ _LIBCPP_FUNC_VIS
+ const directory_entry& __deref() const;
+
+ _LIBCPP_FUNC_VIS
+ bool __try_recursion(error_code* __ec);
+
+ _LIBCPP_FUNC_VIS
+ void __advance(error_code* __ec=nullptr);
+
+ _LIBCPP_FUNC_VIS
+ recursive_directory_iterator& __increment(error_code *__ec=nullptr);
+
+ _LIBCPP_FUNC_VIS
+ void __pop(error_code* __ec=nullptr);
+
+ friend bool operator==(const recursive_directory_iterator&,
+ const recursive_directory_iterator&) _NOEXCEPT;
+
+ struct __shared_imp;
+ shared_ptr<__shared_imp> __imp_;
+ bool __rec_;
+}; // class recursive_directory_iterator
+
+
+_LIBCPP_INLINE_VISIBILITY
+inline bool operator==(const recursive_directory_iterator& __lhs,
+ const recursive_directory_iterator& __rhs) _NOEXCEPT
+{
+ return __lhs.__imp_ == __rhs.__imp_;
+}
+
+_LIBCPP_INLINE_VISIBILITY
+inline bool operator!=(const recursive_directory_iterator& __lhs,
+ const recursive_directory_iterator& __rhs) _NOEXCEPT
+{
+ return !(__lhs == __rhs);
+}
+// enable recursive_directory_iterator range-based for statements
+inline _LIBCPP_INLINE_VISIBILITY
+recursive_directory_iterator begin(recursive_directory_iterator __iter) _NOEXCEPT {
+ return __iter;
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+recursive_directory_iterator end(const recursive_directory_iterator&) _NOEXCEPT {
+ return recursive_directory_iterator();
+}
+
+_LIBCPP_END_NAMESPACE_EXPERIMENTAL_FILESYSTEM
+
+#endif // _LIBCPP_EXPERIMENTAL_FILESYSTEM
diff --git a/include/experimental/forward_list b/include/experimental/forward_list
new file mode 100644
index 000000000000..55e195f446f5
--- /dev/null
+++ b/include/experimental/forward_list
@@ -0,0 +1,47 @@
+// -*- C++ -*-
+//===--------------------------- forward_list -----------------------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef _LIBCPP_EXPERIMENTAL_FORWARD_LIST
+#define _LIBCPP_EXPERIMENTAL_FORWARD_LIST
+/*
+ experimental/forward_list synopsis
+
+// C++1z
+namespace std {
+namespace experimental {
+inline namespace fundamentals_v1 {
+namespace pmr {
+
+ template <class T>
+ using forward_list = std::forward_list<T,polymorphic_allocator<T>>;
+
+} // namespace pmr
+} // namespace fundamentals_v1
+} // namespace experimental
+} // namespace std
+
+ */
+
+#include <experimental/__config>
+#include <forward_list>
+#include <experimental/memory_resource>
+
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+#pragma GCC system_header
+#endif
+
+_LIBCPP_BEGIN_NAMESPACE_LFTS_PMR
+
+template <class _ValueT>
+using forward_list = _VSTD::forward_list<_ValueT, polymorphic_allocator<_ValueT>>;
+
+_LIBCPP_END_NAMESPACE_LFTS_PMR
+
+#endif /* _LIBCPP_EXPERIMENTAL_FORWARD_LIST */
diff --git a/include/experimental/functional b/include/experimental/functional
index c7a78695b809..75fc8e99f352 100644
--- a/include/experimental/functional
+++ b/include/experimental/functional
@@ -119,9 +119,12 @@ public:
template <typename _ForwardIterator2>
_LIBCPP_INLINE_VISIBILITY
- _ForwardIterator2 operator () (_ForwardIterator2 __f, _ForwardIterator2 __l) const
+ pair<_ForwardIterator2, _ForwardIterator2>
+ operator () (_ForwardIterator2 __f, _ForwardIterator2 __l) const
{
- return _VSTD::search(__f, __l, __first_, __last_, __pred_);
+ return _VSTD::__search(__f, __l, __first_, __last_, __pred_,
+ typename _VSTD::iterator_traits<_ForwardIterator>::iterator_category(),
+ typename _VSTD::iterator_traits<_ForwardIterator2>::iterator_category());
}
private:
@@ -233,7 +236,7 @@ public:
}
template <typename _RandomAccessIterator2>
- _RandomAccessIterator2
+ pair<_RandomAccessIterator2, _RandomAccessIterator2>
operator ()(_RandomAccessIterator2 __f, _RandomAccessIterator2 __l) const
{
static_assert ( std::is_same<
@@ -242,12 +245,12 @@ public:
>::value,
"Corpus and Pattern iterators must point to the same type" );
- if (__f == __l ) return __l; // empty corpus
- if (__first_ == __last_) return __f; // empty pattern
+ if (__f == __l ) return make_pair(__l, __l); // empty corpus
+ if (__first_ == __last_) return make_pair(__f, __f); // empty pattern
// If the pattern is larger than the corpus, we can't find it!
if ( __pattern_length_ > _VSTD::distance (__f, __l))
- return __l;
+ return make_pair(__l, __l);
// Do the search
return this->__search(__f, __l);
@@ -262,7 +265,8 @@ public: // TODO private:
shared_ptr<vector<difference_type>> __suffix_;
template <typename _RandomAccessIterator2>
- _RandomAccessIterator2 __search(_RandomAccessIterator2 __f, _RandomAccessIterator2 __l) const
+ pair<_RandomAccessIterator2, _RandomAccessIterator2>
+ __search(_RandomAccessIterator2 __f, _RandomAccessIterator2 __l) const
{
_RandomAccessIterator2 __cur = __f;
const _RandomAccessIterator2 __last = __l - __pattern_length_;
@@ -278,7 +282,7 @@ public: // TODO private:
__j--;
// We matched - we're done!
if ( __j == 0 )
- return __cur;
+ return make_pair(__cur, __cur + __pattern_length_);
}
// Since we didn't match, figure out how far to skip forward
@@ -290,7 +294,7 @@ public: // TODO private:
__cur += __suffix[ __j ];
}
- return __l; // We didn't find anything
+ return make_pair(__l, __l); // We didn't find anything
}
@@ -384,8 +388,8 @@ public:
}
}
- template <typename _RandomAccessIterator2>
- _RandomAccessIterator2
+ template <typename _RandomAccessIterator2>
+ pair<_RandomAccessIterator2, _RandomAccessIterator2>
operator ()(_RandomAccessIterator2 __f, _RandomAccessIterator2 __l) const
{
static_assert ( std::is_same<
@@ -394,12 +398,12 @@ public:
>::value,
"Corpus and Pattern iterators must point to the same type" );
- if (__f == __l ) return __l; // empty corpus
- if (__first_ == __last_) return __f; // empty pattern
+ if (__f == __l ) return make_pair(__l, __l); // empty corpus
+ if (__first_ == __last_) return make_pair(__f, __f); // empty pattern
// If the pattern is larger than the corpus, we can't find it!
if ( __pattern_length_ > _VSTD::distance (__f, __l))
- return __l;
+ return make_pair(__l, __l);
// Do the search
return this->__search(__f, __l);
@@ -413,7 +417,8 @@ private:
shared_ptr<skip_table_type> __skip_;
template <typename _RandomAccessIterator2>
- _RandomAccessIterator2 __search ( _RandomAccessIterator2 __f, _RandomAccessIterator2 __l ) const {
+ pair<_RandomAccessIterator2, _RandomAccessIterator2>
+ __search ( _RandomAccessIterator2 __f, _RandomAccessIterator2 __l ) const {
_RandomAccessIterator2 __cur = __f;
const _RandomAccessIterator2 __last = __l - __pattern_length_;
const skip_table_type & __skip = *__skip_.get();
@@ -427,12 +432,12 @@ private:
__j--;
// We matched - we're done!
if ( __j == 0 )
- return __cur;
+ return make_pair(__cur, __cur + __pattern_length_);
}
__cur += __skip[__cur[__pattern_length_-1]];
}
- return __l;
+ return make_pair(__l, __l);
}
};
diff --git a/include/experimental/iterator b/include/experimental/iterator
new file mode 100644
index 000000000000..da593febe2b4
--- /dev/null
+++ b/include/experimental/iterator
@@ -0,0 +1,114 @@
+// -*- C++ -*-
+//===----------------------------- iterator -------------------------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef _LIBCPP_EXPERIMENTAL_ITERATOR
+#define _LIBCPP_EXPERIMENTAL_ITERATOR
+
+/*
+namespace std {
+ namespace experimental {
+ inline namespace fundamentals_v2 {
+
+ template <class DelimT, class charT = char, class traits = char_traits<charT>>
+ class ostream_joiner {
+ public:
+ typedef charT char_type;
+ typedef traits traits_type;
+ typedef basic_ostream<charT, traits> ostream_type;
+ typedef output_iterator_tag iterator_category;
+ typedef void value_type;
+ typedef void difference_type;
+ typedef void pointer;
+ typedef void reference;
+
+ ostream_joiner(ostream_type& s, const DelimT& delimiter);
+ ostream_joiner(ostream_type& s, DelimT&& delimiter);
+
+ template<typename T>
+ ostream_joiner& operator=(const T& value);
+
+ ostream_joiner& operator*() noexcept;
+ ostream_joiner& operator++() noexcept;
+ ostream_joiner& operator++(int) noexcept;
+ private:
+ ostream_type* out_stream; // exposition only
+ DelimT delim; // exposition only
+ bool first_element; // exposition only
+ };
+
+ template <class charT, class traits, class DelimT>
+ ostream_joiner<decay_t<DelimT>, charT, traits>
+ make_ostream_joiner(basic_ostream<charT, traits>& os, DelimT&& delimiter);
+
+ } // inline namespace fundamentals_v2
+ } // namespace experimental
+} // namespace std
+
+*/
+
+#include <experimental/__config>
+
+#if _LIBCPP_STD_VER > 11
+
+#include <iterator>
+
+_LIBCPP_BEGIN_NAMESPACE_LFTS
+
+template <class _Delim, class _CharT = char, class _Traits = char_traits<_CharT>>
+class ostream_joiner {
+public:
+
+ typedef _CharT char_type;
+ typedef _Traits traits_type;
+ typedef basic_ostream<char_type,traits_type> ostream_type;
+ typedef output_iterator_tag iterator_category;
+ typedef void value_type;
+ typedef void difference_type;
+ typedef void pointer;
+ typedef void reference;
+
+ ostream_joiner(ostream_type& __os, _Delim&& __d)
+ : __out(_VSTD::addressof(__os)), __delim(_VSTD::move(__d)), __first(true) {}
+
+ ostream_joiner(ostream_type& __os, const _Delim& __d)
+ : __out(_VSTD::addressof(__os)), __delim(__d), __first(true) {}
+
+
+ template<typename _Tp>
+ ostream_joiner& operator=(const _Tp& __v)
+ {
+ if (!__first)
+ *__out << __delim;
+ __first = false;
+ *__out << __v;
+ return *this;
+ }
+
+ ostream_joiner& operator*() _NOEXCEPT { return *this; }
+ ostream_joiner& operator++() _NOEXCEPT { return *this; }
+ ostream_joiner& operator++(int) _NOEXCEPT { return *this; }
+
+private:
+ ostream_type* __out;
+ _Delim __delim;
+ bool __first;
+};
+
+
+template <class _CharT, class _Traits, class _Delim>
+ostream_joiner<typename decay<_Delim>::type, _CharT, _Traits>
+make_ostream_joiner(basic_ostream<_CharT, _Traits>& __os, _Delim && __d)
+{ return ostream_joiner<typename decay<_Delim>::type, _CharT, _Traits>(__os, _VSTD::forward<_Delim>(__d)); }
+
+_LIBCPP_END_NAMESPACE_LFTS
+
+#endif /* _LIBCPP_STD_VER > 11 */
+
+#endif // _LIBCPP_EXPERIMENTAL_ITERATOR
diff --git a/include/experimental/list b/include/experimental/list
new file mode 100644
index 000000000000..1678ee3e93cb
--- /dev/null
+++ b/include/experimental/list
@@ -0,0 +1,47 @@
+// -*- C++ -*-
+//===--------------------------- list ------------------------------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef _LIBCPP_EXPERIMENTAL_LIST
+#define _LIBCPP_EXPERIMENTAL_LIST
+/*
+ experimental/list synopsis
+
+// C++1z
+namespace std {
+namespace experimental {
+inline namespace fundamentals_v1 {
+namespace pmr {
+
+ template <class T>
+ using list = std::list<T,polymorphic_allocator<T>>;
+
+} // namespace pmr
+} // namespace fundamentals_v1
+} // namespace experimental
+} // namespace std
+
+ */
+
+#include <experimental/__config>
+#include <list>
+#include <experimental/memory_resource>
+
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+#pragma GCC system_header
+#endif
+
+_LIBCPP_BEGIN_NAMESPACE_LFTS_PMR
+
+template <class _ValueT>
+using list = _VSTD::list<_ValueT, polymorphic_allocator<_ValueT>>;
+
+_LIBCPP_END_NAMESPACE_LFTS_PMR
+
+#endif /* _LIBCPP_EXPERIMENTAL_LIST */
diff --git a/include/experimental/map b/include/experimental/map
new file mode 100644
index 000000000000..cff2c5e52c0d
--- /dev/null
+++ b/include/experimental/map
@@ -0,0 +1,57 @@
+// -*- C++ -*-
+//===----------------------------- map ------------------------------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef _LIBCPP_EXPERIMENTAL_MAP
+#define _LIBCPP_EXPERIMENTAL_MAP
+/*
+ experimental/map synopsis
+
+// C++1z
+namespace std {
+namespace experimental {
+inline namespace fundamentals_v1 {
+namespace pmr {
+
+ template <class Key, class T, class Compare = less<Key>>
+ using map = std::map<Key, T, Compare,
+ polymorphic_allocator<pair<const Key,T>>>;
+
+ template <class Key, class T, class Compare = less<Key>>
+ using multimap = std::multimap<Key, T, Compare,
+ polymorphic_allocator<pair<const Key,T>>>;
+
+} // namespace pmr
+} // namespace fundamentals_v1
+} // namespace experimental
+} // namespace std
+
+ */
+
+#include <experimental/__config>
+#include <map>
+#include <experimental/memory_resource>
+
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+#pragma GCC system_header
+#endif
+
+_LIBCPP_BEGIN_NAMESPACE_LFTS_PMR
+
+template <class _Key, class _Value, class _Compare = less<_Key>>
+using map = _VSTD::map<_Key, _Value, _Compare,
+ polymorphic_allocator<pair<const _Key, _Value>>>;
+
+template <class _Key, class _Value, class _Compare = less<_Key>>
+using multimap = _VSTD::multimap<_Key, _Value, _Compare,
+ polymorphic_allocator<pair<const _Key, _Value>>>;
+
+_LIBCPP_END_NAMESPACE_LFTS_PMR
+
+#endif /* _LIBCPP_EXPERIMENTAL_MAP */
diff --git a/include/experimental/memory_resource b/include/experimental/memory_resource
new file mode 100644
index 000000000000..9b345210ee5e
--- /dev/null
+++ b/include/experimental/memory_resource
@@ -0,0 +1,422 @@
+// -*- C++ -*-
+//===------------------------ memory_resource -----------------------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef _LIBCPP_EXPERIMENTAL_MEMORY_RESOURCE
+#define _LIBCPP_EXPERIMENTAL_MEMORY_RESOURCE
+
+/**
+ experimental/memory_resource synopsis
+
+// C++1y
+
+namespace std {
+namespace experimental {
+inline namespace fundamentals_v1 {
+namespace pmr {
+
+ class memory_resource;
+
+ bool operator==(const memory_resource& a,
+ const memory_resource& b) noexcept;
+ bool operator!=(const memory_resource& a,
+ const memory_resource& b) noexcept;
+
+ template <class Tp> class polymorphic_allocator;
+
+ template <class T1, class T2>
+ bool operator==(const polymorphic_allocator<T1>& a,
+ const polymorphic_allocator<T2>& b) noexcept;
+ template <class T1, class T2>
+ bool operator!=(const polymorphic_allocator<T1>& a,
+ const polymorphic_allocator<T2>& b) noexcept;
+
+ // The name resource_adaptor_imp is for exposition only.
+ template <class Allocator> class resource_adaptor_imp;
+
+ template <class Allocator>
+ using resource_adaptor = resource_adaptor_imp<
+ allocator_traits<Allocator>::rebind_alloc<char>>;
+
+ // Global memory resources
+ memory_resource* new_delete_resource() noexcept;
+ memory_resource* null_memory_resource() noexcept;
+
+ // The default memory resource
+ memory_resource* set_default_resource(memory_resource* r) noexcept;
+ memory_resource* get_default_resource() noexcept;
+
+ // Standard memory resources
+ struct pool_options;
+ class synchronized_pool_resource;
+ class unsynchronized_pool_resource;
+ class monotonic_buffer_resource;
+
+} // namespace pmr
+} // namespace fundamentals_v1
+} // namespace experimental
+} // namespace std
+
+ */
+
+#include <experimental/__config>
+#include <experimental/__memory>
+#include <limits>
+#include <memory>
+#include <new>
+#include <stdexcept>
+#include <tuple>
+#include <type_traits>
+#include <utility>
+#include <cstddef>
+#include <cstdlib>
+#include <__debug>
+
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+#pragma GCC system_header
+#endif
+
+_LIBCPP_BEGIN_NAMESPACE_LFTS_PMR
+
+// Round __s up to next multiple of __a.
+inline _LIBCPP_INLINE_VISIBILITY
+size_t __aligned_allocation_size(size_t __s, size_t __a) _NOEXCEPT
+{
+ _LIBCPP_ASSERT(__s + __a > __s, "aligned allocation size overflows");
+ return (__s + __a - 1) & ~(__a - 1);
+}
+
+// 8.5, memory.resource
+class _LIBCPP_TYPE_VIS_ONLY memory_resource
+{
+ static const size_t __max_align = alignof(max_align_t);
+
+// 8.5.2, memory.resource.public
+public:
+ virtual ~memory_resource() = default;
+
+ _LIBCPP_INLINE_VISIBILITY
+ void* allocate(size_t __bytes, size_t __align = __max_align)
+ { return do_allocate(__bytes, __align); }
+
+ _LIBCPP_INLINE_VISIBILITY
+ void deallocate(void * __p, size_t __bytes, size_t __align = __max_align)
+ { do_deallocate(__p, __bytes, __align); }
+
+ _LIBCPP_INLINE_VISIBILITY
+ bool is_equal(memory_resource const & __other) const _NOEXCEPT
+ { return do_is_equal(__other); }
+
+// 8.5.3, memory.resource.priv
+protected:
+ virtual void* do_allocate(size_t, size_t) = 0;
+ virtual void do_deallocate(void*, size_t, size_t) = 0;
+ virtual bool do_is_equal(memory_resource const &) const _NOEXCEPT = 0;
+};
+
+// 8.5.4, memory.resource.eq
+inline _LIBCPP_INLINE_VISIBILITY
+bool operator==(memory_resource const & __lhs,
+ memory_resource const & __rhs) _NOEXCEPT
+{
+ return &__lhs == &__rhs || __lhs.is_equal(__rhs);
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+bool operator!=(memory_resource const & __lhs,
+ memory_resource const & __rhs) _NOEXCEPT
+{
+ return !(__lhs == __rhs);
+}
+
+_LIBCPP_FUNC_VIS
+memory_resource * new_delete_resource() _NOEXCEPT;
+
+_LIBCPP_FUNC_VIS
+memory_resource * null_memory_resource() _NOEXCEPT;
+
+_LIBCPP_FUNC_VIS
+memory_resource * get_default_resource() _NOEXCEPT;
+
+_LIBCPP_FUNC_VIS
+memory_resource * set_default_resource(memory_resource * __new_res) _NOEXCEPT;
+
+// 8.6, memory.polymorphic.allocator.class
+
+// 8.6.1, memory.polymorphic.allocator.overview
+template <class _ValueType>
+class _LIBCPP_TYPE_VIS_ONLY polymorphic_allocator
+{
+public:
+ typedef _ValueType value_type;
+
+ // 8.6.2, memory.polymorphic.allocator.ctor
+ _LIBCPP_INLINE_VISIBILITY
+ polymorphic_allocator() _NOEXCEPT
+ : __res_(_VSTD_LFTS_PMR::get_default_resource())
+ {}
+
+ _LIBCPP_INLINE_VISIBILITY
+ polymorphic_allocator(memory_resource * __r) _NOEXCEPT
+ : __res_(__r)
+ {}
+
+ polymorphic_allocator(polymorphic_allocator const &) = default;
+
+ template <class _Tp>
+ _LIBCPP_INLINE_VISIBILITY
+ polymorphic_allocator(polymorphic_allocator<_Tp> const & __other) _NOEXCEPT
+ : __res_(__other.resource())
+ {}
+
+ polymorphic_allocator &
+ operator=(polymorphic_allocator const &) = delete;
+
+ // 8.6.3, memory.polymorphic.allocator.mem
+ _LIBCPP_INLINE_VISIBILITY
+ _ValueType* allocate(size_t __n) {
+ if (__n > max_size()) {
+ __libcpp_throw(length_error(
+ "std::experimental::pmr::polymorphic_allocator<T>::allocate(size_t n)"
+ " 'n' exceeds maximum supported size"));
+ }
+ return static_cast<_ValueType*>(
+ __res_->allocate(__n * sizeof(_ValueType), alignof(_ValueType))
+ );
+ }
+
+ _LIBCPP_INLINE_VISIBILITY
+ void deallocate(_ValueType * __p, size_t __n) _NOEXCEPT {
+ _LIBCPP_ASSERT(__n <= max_size(),
+ "deallocate called for size which exceeds max_size()");
+ __res_->deallocate(__p, __n * sizeof(_ValueType), alignof(_ValueType));
+ }
+
+ template <class _Tp, class ..._Ts>
+ _LIBCPP_INLINE_VISIBILITY
+ void construct(_Tp* __p, _Ts &&... __args)
+ {
+ _VSTD_LFTS::__lfts_user_alloc_construct(
+ __p, resource(), _VSTD::forward<_Ts>(__args)...
+ );
+ }
+
+ template <class _T1, class _T2, class ..._Args1, class ..._Args2>
+ _LIBCPP_INLINE_VISIBILITY
+ void construct(pair<_T1, _T2>* __p, piecewise_construct_t,
+ tuple<_Args1...> __x, tuple<_Args2...> __y)
+ {
+ ::new ((void*)__p) pair<_T1, _T2>(piecewise_construct
+ , __transform_tuple(
+ typename __lfts_uses_alloc_ctor<
+ _T1, memory_resource*, _Args1...
+ >::type()
+ , _VSTD::move(__x)
+ , typename __make_tuple_indices<sizeof...(_Args1)>::type{}
+ )
+ , __transform_tuple(
+ typename __lfts_uses_alloc_ctor<
+ _T2, memory_resource*, _Args2...
+ >::type()
+ , _VSTD::move(__y)
+ , typename __make_tuple_indices<sizeof...(_Args2)>::type{}
+ )
+ );
+ }
+
+ template <class _T1, class _T2>
+ _LIBCPP_INLINE_VISIBILITY
+ void construct(pair<_T1, _T2>* __p) {
+ construct(__p, piecewise_construct, tuple<>(), tuple<>());
+ }
+
+ template <class _T1, class _T2, class _Up, class _Vp>
+ _LIBCPP_INLINE_VISIBILITY
+ void construct(pair<_T1, _T2> * __p, _Up && __u, _Vp && __v) {
+ construct(__p, piecewise_construct
+ , _VSTD::forward_as_tuple(_VSTD::forward<_Up>(__u))
+ , _VSTD::forward_as_tuple(_VSTD::forward<_Vp>(__v)));
+ }
+
+ template <class _T1, class _T2, class _U1, class _U2>
+ _LIBCPP_INLINE_VISIBILITY
+ void construct(pair<_T1, _T2> * __p, pair<_U1, _U2> const & __pr) {
+ construct(__p, piecewise_construct
+ , _VSTD::forward_as_tuple(__pr.first)
+ , _VSTD::forward_as_tuple(__pr.second));
+ }
+
+ template <class _T1, class _T2, class _U1, class _U2>
+ _LIBCPP_INLINE_VISIBILITY
+ void construct(pair<_T1, _T2> * __p, pair<_U1, _U2> && __pr){
+ construct(__p, piecewise_construct
+ , _VSTD::forward_as_tuple(_VSTD::forward<_U1>(__pr.first))
+ , _VSTD::forward_as_tuple(_VSTD::forward<_U2>(__pr.second)));
+ }
+
+ template <class _Tp>
+ _LIBCPP_INLINE_VISIBILITY
+ void destroy(_Tp * __p) _NOEXCEPT
+ { __p->~_Tp(); }
+
+ _LIBCPP_INLINE_VISIBILITY
+ size_t max_size() const _NOEXCEPT
+ { return numeric_limits<size_t>::max() / sizeof(value_type); }
+
+ _LIBCPP_INLINE_VISIBILITY
+ polymorphic_allocator
+ select_on_container_copy_construction() const _NOEXCEPT
+ { return polymorphic_allocator(); }
+
+ _LIBCPP_INLINE_VISIBILITY
+ memory_resource * resource() const _NOEXCEPT
+ { return __res_; }
+
+private:
+ template <class ..._Args, size_t ..._Idx>
+ _LIBCPP_INLINE_VISIBILITY
+ tuple<_Args&&...>
+ __transform_tuple(integral_constant<int, 0>, tuple<_Args...>&& __t,
+ __tuple_indices<_Idx...>) const
+ {
+ return _VSTD::forward_as_tuple(_VSTD::get<_Idx>(_VSTD::move(__t))...);
+ }
+
+ template <class ..._Args, size_t ..._Idx>
+ _LIBCPP_INLINE_VISIBILITY
+ tuple<allocator_arg_t const&, memory_resource*, _Args&&...>
+ __transform_tuple(integral_constant<int, 1>, tuple<_Args...> && __t,
+ __tuple_indices<_Idx...>) const
+ {
+ using _Tup = tuple<allocator_arg_t const&, memory_resource*, _Args&&...>;
+ return _Tup(allocator_arg, resource(),
+ _VSTD::get<_Idx>(_VSTD::move(__t))...);
+ }
+
+ template <class ..._Args, size_t ..._Idx>
+ _LIBCPP_INLINE_VISIBILITY
+ tuple<_Args&&..., memory_resource*>
+ __transform_tuple(integral_constant<int, 2>, tuple<_Args...> && __t,
+ __tuple_indices<_Idx...>) const
+ {
+ using _Tup = tuple<_Args&&..., memory_resource*>;
+ return _Tup(_VSTD::get<_Idx>(_VSTD::move(__t))..., resource());
+ }
+
+ memory_resource * __res_;
+};
+
+// 8.6.4, memory.polymorphic.allocator.eq
+
+template <class _Tp, class _Up>
+inline _LIBCPP_INLINE_VISIBILITY
+bool operator==(polymorphic_allocator<_Tp> const & __lhs,
+ polymorphic_allocator<_Up> const & __rhs) _NOEXCEPT
+{
+ return *__lhs.resource() == *__rhs.resource();
+}
+
+template <class _Tp, class _Up>
+inline _LIBCPP_INLINE_VISIBILITY
+bool operator!=(polymorphic_allocator<_Tp> const & __lhs,
+ polymorphic_allocator<_Up> const & __rhs) _NOEXCEPT
+{
+ return !(__lhs == __rhs);
+}
+
+// 8.7, memory.resource.adaptor
+
+// 8.7.1, memory.resource.adaptor.overview
+template <class _CharAlloc>
+class _LIBCPP_TYPE_VIS_ONLY __resource_adaptor_imp
+ : public memory_resource
+{
+ using _CTraits = allocator_traits<_CharAlloc>;
+ static_assert(is_same<typename _CTraits::value_type, char>::value
+ && is_same<typename _CTraits::pointer, char*>::value
+ && is_same<typename _CTraits::void_pointer, void*>::value, "");
+
+ static const size_t _MaxAlign = alignof(max_align_t);
+
+ using _Alloc = typename _CTraits::template rebind_alloc<
+ typename aligned_storage<_MaxAlign, _MaxAlign>::type
+ >;
+
+ using _ValueType = typename _Alloc::value_type;
+
+ _Alloc __alloc_;
+
+public:
+ typedef _CharAlloc allocator_type;
+
+ __resource_adaptor_imp() = default;
+ __resource_adaptor_imp(__resource_adaptor_imp const &) = default;
+ __resource_adaptor_imp(__resource_adaptor_imp &&) = default;
+
+ // 8.7.2, memory.resource.adaptor.ctor
+
+ _LIBCPP_INLINE_VISIBILITY
+ explicit __resource_adaptor_imp(allocator_type const & __a)
+ : __alloc_(__a)
+ {}
+
+ _LIBCPP_INLINE_VISIBILITY
+ explicit __resource_adaptor_imp(allocator_type && __a)
+ : __alloc_(_VSTD::move(__a))
+ {}
+
+ __resource_adaptor_imp &
+ operator=(__resource_adaptor_imp const &) = default;
+
+ _LIBCPP_INLINE_VISIBILITY
+ allocator_type get_allocator() const
+ { return __alloc_; }
+
+// 8.7.3, memory.resource.adaptor.mem
+protected:
+ virtual void * do_allocate(size_t __bytes, size_t)
+ {
+ if (__bytes > __max_size()) {
+ __libcpp_throw(length_error(
+ "std::experimental::pmr::resource_adaptor<T>::do_allocate(size_t bytes, size_t align)"
+ " 'bytes' exceeds maximum supported size"));
+ }
+ size_t __s = __aligned_allocation_size(__bytes, _MaxAlign) / _MaxAlign;
+ return __alloc_.allocate(__s);
+ }
+
+ virtual void do_deallocate(void * __p, size_t __bytes, size_t)
+ {
+ _LIBCPP_ASSERT(__bytes <= __max_size(),
+ "do_deallocate called for size which exceeds the maximum allocation size");
+ size_t __s = __aligned_allocation_size(__bytes, _MaxAlign) / _MaxAlign;
+ __alloc_.deallocate((_ValueType*)__p, __s);
+ }
+
+ virtual bool do_is_equal(memory_resource const & __other) const _NOEXCEPT {
+ __resource_adaptor_imp const * __p
+ = dynamic_cast<__resource_adaptor_imp const *>(&__other);
+ return __p ? __alloc_ == __p->__alloc_ : false;
+ }
+
+private:
+ _LIBCPP_INLINE_VISIBILITY
+ size_t __max_size() const _NOEXCEPT {
+ return numeric_limits<size_t>::max() - _MaxAlign;
+ }
+};
+
+template <class _Alloc>
+using resource_adaptor = __resource_adaptor_imp<
+ typename allocator_traits<_Alloc>::template rebind_alloc<char>
+ >;
+
+_LIBCPP_END_NAMESPACE_LFTS_PMR
+
+#endif /* _LIBCPP_EXPERIMENTAL_MEMORY_RESOURCE */
diff --git a/include/experimental/optional b/include/experimental/optional
index a384882a1e12..3912438ec104 100644
--- a/include/experimental/optional
+++ b/include/experimental/optional
@@ -517,7 +517,11 @@ public:
constexpr value_type const& value() const
{
if (!this->__engaged_)
+#ifndef _LIBCPP_NO_EXCEPTIONS
throw bad_optional_access();
+#else
+ assert(!"bad optional access");
+#endif
return this->__val_;
}
@@ -525,7 +529,11 @@ public:
value_type& value()
{
if (!this->__engaged_)
+#ifndef _LIBCPP_NO_EXCEPTIONS
throw bad_optional_access();
+#else
+ assert(!"bad optional access");
+#endif
return this->__val_;
}
diff --git a/include/experimental/propagate_const b/include/experimental/propagate_const
new file mode 100644
index 000000000000..f267ba275c2f
--- /dev/null
+++ b/include/experimental/propagate_const
@@ -0,0 +1,576 @@
+// -*- C++ -*-
+//===------------------------ propagate_const -----------------------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef _LIBCPP_EXPERIMENTAL_PROPAGATE_CONST
+#define _LIBCPP_EXPERIMENTAL_PROPAGATE_CONST
+/*
+ propagate_const synopsis
+
+ namespace std { namespace experimental { inline namespace fundamentals_v2 {
+
+ // [propagate_const]
+ template <class T> class propagate_const;
+
+ // [propagate_const.underlying], underlying pointer access
+ constexpr const _Tp& _VSTD_LFTS_V2::get_underlying(const propagate_const<T>& pt) noexcept;
+ constexpr T& _VSTD_LFTS_V2::get_underlying(propagate_const<T>& pt) noexcept;
+
+ // [propagate_const.relational], relational operators
+ template <class T> constexpr bool operator==(const propagate_const<T>& pt, nullptr_t);
+ template <class T> constexpr bool operator==(nullptr_t, const propagate_const<T>& pu);
+ template <class T> constexpr bool operator!=(const propagate_const<T>& pt, nullptr_t);
+ template <class T> constexpr bool operator!=(nullptr_t, const propagate_const<T>& pu);
+ template <class T, class U> constexpr bool operator==(const propagate_const<T>& pt, const propagate_const<_Up>& pu);
+ template <class T, class U> constexpr bool operator!=(const propagate_const<T>& pt, const propagate_const<_Up>& pu);
+ template <class T, class U> constexpr bool operator<(const propagate_const<T>& pt, const propagate_const<_Up>& pu);
+ template <class T, class U> constexpr bool operator>(const propagate_const<T>& pt, const propagate_const<_Up>& pu);
+ template <class T, class U> constexpr bool operator<=(const propagate_const<T>& pt, const propagate_const<_Up>& pu);
+ template <class T, class U> constexpr bool operator>=(const propagate_const<T>& pt, const propagate_const<_Up>& pu);
+ template <class T, class U> constexpr bool operator==(const propagate_const<T>& pt, const _Up& u);
+ template <class T, class U> constexpr bool operator!=(const propagate_const<T>& pt, const _Up& u);
+ template <class T, class U> constexpr bool operator<(const propagate_const<T>& pt, const _Up& u);
+ template <class T, class U> constexpr bool operator>(const propagate_const<T>& pt, const _Up& u);
+ template <class T, class U> constexpr bool operator<=(const propagate_const<T>& pt, const _Up& u);
+ template <class T, class U> constexpr bool operator>=(const propagate_const<T>& pt, const _Up& u);
+ template <class T, class U> constexpr bool operator==(const _Tp& t, const propagate_const<_Up>& pu);
+ template <class T, class U> constexpr bool operator!=(const _Tp& t, const propagate_const<_Up>& pu);
+ template <class T, class U> constexpr bool operator<(const _Tp& t, const propagate_const<_Up>& pu);
+ template <class T, class U> constexpr bool operator>(const _Tp& t, const propagate_const<_Up>& pu);
+ template <class T, class U> constexpr bool operator<=(const _Tp& t, const propagate_const<_Up>& pu);
+ template <class T, class U> constexpr bool operator>=(const _Tp& t, const propagate_const<_Up>& pu);
+
+ // [propagate_const.algorithms], specialized algorithms
+ template <class T> constexpr void swap(propagate_const<T>& pt, propagate_const<T>& pu) noexcept(see below);
+
+ template <class T>
+ class propagate_const
+ {
+
+ public:
+ typedef remove_reference_t<decltype(*declval<T&>())> element_type;
+
+ // [propagate_const.ctor], constructors
+ constexpr propagate_const() = default;
+ propagate_const(const propagate_const& p) = delete;
+ constexpr propagate_const(propagate_const&& p) = default;
+ template <class U> EXPLICIT constexpr propagate_const(propagate_const<_Up>&& pu); // see below
+ template <class U> EXPLICIT constexpr propagate_const(U&& u); // see below
+
+ // [propagate_const.assignment], assignment
+ propagate_const& operator=(const propagate_const& p) = delete;
+ constexpr propagate_const& operator=(propagate_const&& p) = default;
+ template <class U> constexpr propagate_const& operator=(propagate_const<_Up>&& pu);
+ template <class U> constexpr propagate_const& operator=(U&& u); // see below
+
+ // [propagate_const.const_observers], const observers
+ explicit constexpr operator bool() const;
+ constexpr const element_type* operator->() const;
+ constexpr operator const element_type*() const; // Not always defined
+ constexpr const element_type& operator*() const;
+ constexpr const element_type* get() const;
+
+ // [propagate_const.non_const_observers], non-const observers
+ constexpr element_type* operator->();
+ constexpr operator element_type*(); // Not always defined
+ constexpr element_type& operator*();
+ constexpr element_type* get();
+
+ // [propagate_const.modifiers], modifiers
+ constexpr void swap(propagate_const& pt) noexcept(see below)
+
+ private:
+ T t_; // exposition only
+ };
+
+ } // namespace fundamentals_v2
+ } // namespace experimental
+
+ // [propagate_const.hash], hash support
+ template <class T> struct hash<experimental::fundamentals_v2::propagate_const<T>>;
+
+ // [propagate_const.comparison_function_objects], comparison function objects
+ template <class T> struct equal_to<experimental::fundamentals_v2::propagate_const<T>>;
+ template <class T> struct not_equal_to<experimental::fundamentals_v2::propagate_const<T>>;
+ template <class T> struct less<experimental::fundamentals_v2::propagate_const<T>>;
+ template <class T> struct greater<experimental::fundamentals_v2::propagate_const<T>>;
+ template <class T> struct less_equal<experimental::fundamentals_v2::propagate_const<T>>;
+ template <class T> struct greater_equal<experimental::fundamentals_v2::propagate_const<T>>;
+
+} // namespace std
+
+*/
+
+#include <experimental/__config>
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+#pragma GCC system_header
+#endif
+
+#if _LIBCPP_STD_VER > 11
+
+#include <type_traits>
+#include <utility>
+#include <functional>
+
+_LIBCPP_BEGIN_NAMESPACE_LFTS_V2
+
+
+template <class _Tp>
+class propagate_const;
+template <class _Up> _LIBCPP_CONSTEXPR const _Up& get_underlying(const propagate_const<_Up>& __pu) _NOEXCEPT;
+template <class _Up> _LIBCPP_CONSTEXPR _Up& get_underlying(propagate_const<_Up>& __pu) _NOEXCEPT;
+
+template <class _Tp>
+class propagate_const
+{
+public:
+ typedef remove_reference_t<decltype(*_VSTD::declval<_Tp&>())> element_type;
+
+ static_assert(!is_array<_Tp>::value,
+ "Instantiation of propagate_const with an array type is ill-formed.");
+ static_assert(!is_reference<_Tp>::value,
+ "Instantiation of propagate_const with a reference type is ill-formed.");
+ static_assert(!(is_pointer<_Tp>::value && is_function<typename remove_pointer<_Tp>::type>::value),
+ "Instantiation of propagate_const with a function-pointer type is ill-formed.");
+ static_assert(!(is_pointer<_Tp>::value && is_same<typename remove_cv<typename remove_pointer<_Tp>::type>::type, void>::value),
+ "Instantiation of propagate_const with a pointer to (possibly cv-qualified) void is ill-formed.");
+
+private:
+ template <class _Up>
+ static _LIBCPP_CONSTEXPR element_type* __get_pointer(_Up* __u)
+ {
+ return __u;
+ }
+
+ template <class _Up>
+ static _LIBCPP_CONSTEXPR element_type* __get_pointer(_Up& __u)
+ {
+ return __get_pointer(__u.get());
+ }
+
+ template <class _Up>
+ static _LIBCPP_CONSTEXPR const element_type* __get_pointer(const _Up* __u)
+ {
+ return __u;
+ }
+
+ template <class _Up>
+ static _LIBCPP_CONSTEXPR const element_type* __get_pointer(const _Up& __u)
+ {
+ return __get_pointer(__u.get());
+ }
+
+ template <class _Up>
+ struct __is_propagate_const : false_type
+ {
+ };
+
+ template <class _Up>
+ struct __is_propagate_const<propagate_const<_Up>> : true_type
+ {
+ };
+
+ _Tp __t_;
+
+public:
+
+ template <class _Up> friend _LIBCPP_CONSTEXPR const _Up& ::_VSTD_LFTS_V2::get_underlying(const propagate_const<_Up>& __pu) _NOEXCEPT;
+ template <class _Up> friend _LIBCPP_CONSTEXPR _Up& ::_VSTD_LFTS_V2::get_underlying(propagate_const<_Up>& __pu) _NOEXCEPT;
+
+ _LIBCPP_CONSTEXPR propagate_const() = default;
+
+ propagate_const(const propagate_const&) = delete;
+
+ _LIBCPP_CONSTEXPR propagate_const(propagate_const&&) = default;
+
+ template <class _Up, enable_if_t<!is_convertible<_Up, _Tp>::value &&
+ is_constructible<_Tp, _Up&&>::value,bool> = true>
+ explicit _LIBCPP_CONSTEXPR propagate_const(propagate_const<_Up>&& __pu)
+ : __t_(std::move(_VSTD_LFTS_V2::get_underlying(__pu)))
+ {
+ }
+
+ template <class _Up, enable_if_t<is_convertible<_Up&&, _Tp>::value &&
+ is_constructible<_Tp, _Up&&>::value,bool> = false>
+ _LIBCPP_CONSTEXPR propagate_const(propagate_const<_Up>&& __pu)
+ : __t_(std::move(_VSTD_LFTS_V2::get_underlying(__pu)))
+ {
+ }
+
+ template <class _Up, enable_if_t<!is_convertible<_Up&&, _Tp>::value &&
+ is_constructible<_Tp, _Up&&>::value &&
+ !__is_propagate_const<decay_t<_Up>>::value,bool> = true>
+ explicit _LIBCPP_CONSTEXPR propagate_const(_Up&& __u)
+ : __t_(std::forward<_Up>(__u))
+ {
+ }
+
+ template <class _Up, enable_if_t<is_convertible<_Up&&, _Tp>::value &&
+ is_constructible<_Tp, _Up&&>::value &&
+ !__is_propagate_const<decay_t<_Up>>::value,bool> = false>
+ _LIBCPP_CONSTEXPR propagate_const(_Up&& __u)
+ : __t_(std::forward<_Up>(__u))
+ {
+ }
+
+ propagate_const& operator=(const propagate_const&) = delete;
+
+ _LIBCPP_CONSTEXPR propagate_const& operator=(propagate_const&&) = default;
+
+ template <class _Up>
+ _LIBCPP_CONSTEXPR propagate_const& operator=(propagate_const<_Up>&& __pu)
+ {
+ __t_ = std::move(_VSTD_LFTS_V2::get_underlying(__pu));
+ return *this;
+ }
+
+ template <class _Up, class _Vp = enable_if_t<!__is_propagate_const<decay_t<_Up>>::value>>
+ _LIBCPP_CONSTEXPR propagate_const& operator=(_Up&& __u)
+ {
+ __t_ = std::forward<_Up>(__u);
+ return *this;
+ }
+
+ _LIBCPP_CONSTEXPR const element_type* get() const
+ {
+ return __get_pointer(__t_);
+ }
+
+ _LIBCPP_CONSTEXPR element_type* get()
+ {
+ return __get_pointer(__t_);
+ }
+
+ explicit _LIBCPP_CONSTEXPR operator bool() const
+ {
+ return get() != nullptr;
+ }
+
+ _LIBCPP_CONSTEXPR const element_type* operator->() const
+ {
+ return get();
+ }
+
+ template <class _Tp_ = _Tp, class _Up = enable_if_t<is_convertible<
+ const _Tp_, const element_type *>::value>>
+ _LIBCPP_CONSTEXPR operator const element_type *() const {
+ return get();
+ }
+
+ _LIBCPP_CONSTEXPR const element_type& operator*() const
+ {
+ return *get();
+ }
+
+ _LIBCPP_CONSTEXPR element_type* operator->()
+ {
+ return get();
+ }
+
+ template <class _Tp_ = _Tp, class _Up = enable_if_t<
+ is_convertible<_Tp_, element_type *>::value>>
+ _LIBCPP_CONSTEXPR operator element_type *() {
+ return get();
+ }
+
+ _LIBCPP_CONSTEXPR element_type& operator*()
+ {
+ return *get();
+ }
+
+ _LIBCPP_CONSTEXPR void swap(propagate_const& __pt) _NOEXCEPT_(__is_nothrow_swappable<_Tp>::value)
+ {
+ using _VSTD::swap;
+ swap(__t_, __pt.__t_);
+ }
+};
+
+
+template <class _Tp>
+_LIBCPP_INLINE_VISIBILITY
+_LIBCPP_CONSTEXPR bool operator==(const propagate_const<_Tp>& __pt, nullptr_t)
+{
+ return _VSTD_LFTS_V2::get_underlying(__pt) == nullptr;
+}
+
+template <class _Tp>
+_LIBCPP_INLINE_VISIBILITY
+_LIBCPP_CONSTEXPR bool operator==(nullptr_t, const propagate_const<_Tp>& __pt)
+{
+ return nullptr == _VSTD_LFTS_V2::get_underlying(__pt);
+}
+
+template <class _Tp>
+_LIBCPP_INLINE_VISIBILITY
+_LIBCPP_CONSTEXPR bool operator!=(const propagate_const<_Tp>& __pt, nullptr_t)
+{
+ return _VSTD_LFTS_V2::get_underlying(__pt) != nullptr;
+}
+
+template <class _Tp>
+_LIBCPP_INLINE_VISIBILITY
+_LIBCPP_CONSTEXPR bool operator!=(nullptr_t, const propagate_const<_Tp>& __pt)
+{
+ return nullptr != _VSTD_LFTS_V2::get_underlying(__pt);
+}
+
+template <class _Tp, class _Up>
+_LIBCPP_INLINE_VISIBILITY
+_LIBCPP_CONSTEXPR bool operator==(const propagate_const<_Tp>& __pt,
+ const propagate_const<_Up>& __pu)
+{
+ return _VSTD_LFTS_V2::get_underlying(__pt) == _VSTD_LFTS_V2::get_underlying(__pu);
+}
+
+template <class _Tp, class _Up>
+_LIBCPP_INLINE_VISIBILITY
+_LIBCPP_CONSTEXPR bool operator!=(const propagate_const<_Tp>& __pt,
+ const propagate_const<_Up>& __pu)
+{
+ return _VSTD_LFTS_V2::get_underlying(__pt) != _VSTD_LFTS_V2::get_underlying(__pu);
+}
+
+template <class _Tp, class _Up>
+_LIBCPP_INLINE_VISIBILITY
+_LIBCPP_CONSTEXPR bool operator<(const propagate_const<_Tp>& __pt,
+ const propagate_const<_Up>& __pu)
+{
+ return _VSTD_LFTS_V2::get_underlying(__pt) < _VSTD_LFTS_V2::get_underlying(__pu);
+}
+
+template <class _Tp, class _Up>
+_LIBCPP_INLINE_VISIBILITY
+_LIBCPP_CONSTEXPR bool operator>(const propagate_const<_Tp>& __pt,
+ const propagate_const<_Up>& __pu)
+{
+ return _VSTD_LFTS_V2::get_underlying(__pt) > _VSTD_LFTS_V2::get_underlying(__pu);
+}
+
+template <class _Tp, class _Up>
+_LIBCPP_INLINE_VISIBILITY
+_LIBCPP_CONSTEXPR bool operator<=(const propagate_const<_Tp>& __pt,
+ const propagate_const<_Up>& __pu)
+{
+ return _VSTD_LFTS_V2::get_underlying(__pt) <= _VSTD_LFTS_V2::get_underlying(__pu);
+}
+
+template <class _Tp, class _Up>
+_LIBCPP_INLINE_VISIBILITY
+_LIBCPP_CONSTEXPR bool operator>=(const propagate_const<_Tp>& __pt,
+ const propagate_const<_Up>& __pu)
+{
+ return _VSTD_LFTS_V2::get_underlying(__pt) >= _VSTD_LFTS_V2::get_underlying(__pu);
+}
+
+template <class _Tp, class _Up>
+_LIBCPP_INLINE_VISIBILITY
+_LIBCPP_CONSTEXPR bool operator==(const propagate_const<_Tp>& __pt, const _Up& __u)
+{
+ return _VSTD_LFTS_V2::get_underlying(__pt) == __u;
+}
+
+template <class _Tp, class _Up>
+_LIBCPP_INLINE_VISIBILITY
+_LIBCPP_CONSTEXPR bool operator!=(const propagate_const<_Tp>& __pt, const _Up& __u)
+{
+ return _VSTD_LFTS_V2::get_underlying(__pt) != __u;
+}
+
+template <class _Tp, class _Up>
+_LIBCPP_INLINE_VISIBILITY
+_LIBCPP_CONSTEXPR bool operator<(const propagate_const<_Tp>& __pt, const _Up& __u)
+{
+ return _VSTD_LFTS_V2::get_underlying(__pt) < __u;
+}
+
+template <class _Tp, class _Up>
+_LIBCPP_INLINE_VISIBILITY
+_LIBCPP_CONSTEXPR bool operator>(const propagate_const<_Tp>& __pt, const _Up& __u)
+{
+ return _VSTD_LFTS_V2::get_underlying(__pt) > __u;
+}
+
+template <class _Tp, class _Up>
+_LIBCPP_INLINE_VISIBILITY
+_LIBCPP_CONSTEXPR bool operator<=(const propagate_const<_Tp>& __pt, const _Up& __u)
+{
+ return _VSTD_LFTS_V2::get_underlying(__pt) <= __u;
+}
+
+template <class _Tp, class _Up>
+_LIBCPP_INLINE_VISIBILITY
+_LIBCPP_CONSTEXPR bool operator>=(const propagate_const<_Tp>& __pt, const _Up& __u)
+{
+ return _VSTD_LFTS_V2::get_underlying(__pt) >= __u;
+}
+
+
+template <class _Tp, class _Up>
+_LIBCPP_INLINE_VISIBILITY
+_LIBCPP_CONSTEXPR bool operator==(const _Tp& __t, const propagate_const<_Up>& __pu)
+{
+ return __t == _VSTD_LFTS_V2::get_underlying(__pu);
+}
+
+template <class _Tp, class _Up>
+_LIBCPP_INLINE_VISIBILITY
+_LIBCPP_CONSTEXPR bool operator!=(const _Tp& __t, const propagate_const<_Up>& __pu)
+{
+ return __t != _VSTD_LFTS_V2::get_underlying(__pu);
+}
+
+template <class _Tp, class _Up>
+_LIBCPP_INLINE_VISIBILITY
+_LIBCPP_CONSTEXPR bool operator<(const _Tp& __t, const propagate_const<_Up>& __pu)
+{
+ return __t < _VSTD_LFTS_V2::get_underlying(__pu);
+}
+
+template <class _Tp, class _Up>
+_LIBCPP_INLINE_VISIBILITY
+_LIBCPP_CONSTEXPR bool operator>(const _Tp& __t, const propagate_const<_Up>& __pu)
+{
+ return __t > _VSTD_LFTS_V2::get_underlying(__pu);
+}
+
+template <class _Tp, class _Up>
+_LIBCPP_INLINE_VISIBILITY
+_LIBCPP_CONSTEXPR bool operator<=(const _Tp& __t, const propagate_const<_Up>& __pu)
+{
+ return __t <= _VSTD_LFTS_V2::get_underlying(__pu);
+}
+
+template <class _Tp, class _Up>
+_LIBCPP_INLINE_VISIBILITY
+_LIBCPP_CONSTEXPR bool operator>=(const _Tp& __t, const propagate_const<_Up>& __pu)
+{
+ return __t >= _VSTD_LFTS_V2::get_underlying(__pu);
+}
+
+template <class _Tp>
+_LIBCPP_INLINE_VISIBILITY
+_LIBCPP_CONSTEXPR void swap(propagate_const<_Tp>& __pc1, propagate_const<_Tp>& __pc2) _NOEXCEPT_(__is_nothrow_swappable<_Tp>::value)
+{
+ using _VSTD::swap;
+ swap(_VSTD_LFTS_V2::get_underlying(__pc1), _VSTD_LFTS_V2::get_underlying(__pc2));
+}
+
+template <class _Tp>
+_LIBCPP_INLINE_VISIBILITY
+_LIBCPP_CONSTEXPR const _Tp& get_underlying(const propagate_const<_Tp>& __pt) _NOEXCEPT
+{
+ return __pt.__t_;
+}
+
+template <class _Tp>
+_LIBCPP_INLINE_VISIBILITY
+_LIBCPP_CONSTEXPR _Tp& get_underlying(propagate_const<_Tp>& __pt) _NOEXCEPT
+{
+ return __pt.__t_;
+}
+
+_LIBCPP_END_NAMESPACE_LFTS_V2
+
+_LIBCPP_BEGIN_NAMESPACE_STD
+
+template <class _Tp>
+struct hash<experimental::fundamentals_v2::propagate_const<_Tp>>
+{
+ typedef size_t result_type;
+ typedef experimental::fundamentals_v2::propagate_const<_Tp> argument_type;
+
+ size_t operator()(const experimental::fundamentals_v2::propagate_const<_Tp>& __pc1) const
+ {
+ return std::hash<_Tp>()(_VSTD_LFTS_V2::get_underlying(__pc1));
+ }
+};
+
+template <class _Tp>
+struct equal_to<experimental::fundamentals_v2::propagate_const<_Tp>>
+{
+ typedef experimental::fundamentals_v2::propagate_const<_Tp> first_argument_type;
+ typedef experimental::fundamentals_v2::propagate_const<_Tp> second_argument_type;
+
+ bool operator()(const experimental::fundamentals_v2::propagate_const<_Tp>& __pc1,
+ const experimental::fundamentals_v2::propagate_const<_Tp>& __pc2) const
+ {
+ return std::equal_to<_Tp>()(_VSTD_LFTS_V2::get_underlying(__pc1), _VSTD_LFTS_V2::get_underlying(__pc2));
+ }
+};
+
+template <class _Tp>
+struct not_equal_to<experimental::fundamentals_v2::propagate_const<_Tp>>
+{
+ typedef experimental::fundamentals_v2::propagate_const<_Tp> first_argument_type;
+ typedef experimental::fundamentals_v2::propagate_const<_Tp> second_argument_type;
+
+ bool operator()(const experimental::fundamentals_v2::propagate_const<_Tp>& __pc1,
+ const experimental::fundamentals_v2::propagate_const<_Tp>& __pc2) const
+ {
+ return std::not_equal_to<_Tp>()(_VSTD_LFTS_V2::get_underlying(__pc1), _VSTD_LFTS_V2::get_underlying(__pc2));
+ }
+};
+
+template <class _Tp>
+struct less<experimental::fundamentals_v2::propagate_const<_Tp>>
+{
+ typedef experimental::fundamentals_v2::propagate_const<_Tp> first_argument_type;
+ typedef experimental::fundamentals_v2::propagate_const<_Tp> second_argument_type;
+
+ bool operator()(const experimental::fundamentals_v2::propagate_const<_Tp>& __pc1,
+ const experimental::fundamentals_v2::propagate_const<_Tp>& __pc2) const
+ {
+ return std::less<_Tp>()(_VSTD_LFTS_V2::get_underlying(__pc1), _VSTD_LFTS_V2::get_underlying(__pc2));
+ }
+};
+
+template <class _Tp>
+struct greater<experimental::fundamentals_v2::propagate_const<_Tp>>
+{
+ typedef experimental::fundamentals_v2::propagate_const<_Tp> first_argument_type;
+ typedef experimental::fundamentals_v2::propagate_const<_Tp> second_argument_type;
+
+ bool operator()(const experimental::fundamentals_v2::propagate_const<_Tp>& __pc1,
+ const experimental::fundamentals_v2::propagate_const<_Tp>& __pc2) const
+ {
+ return std::greater<_Tp>()(_VSTD_LFTS_V2::get_underlying(__pc1), _VSTD_LFTS_V2::get_underlying(__pc2));
+ }
+};
+
+template <class _Tp>
+struct less_equal<experimental::fundamentals_v2::propagate_const<_Tp>>
+{
+ typedef experimental::fundamentals_v2::propagate_const<_Tp> first_argument_type;
+ typedef experimental::fundamentals_v2::propagate_const<_Tp> second_argument_type;
+
+ bool operator()(const experimental::fundamentals_v2::propagate_const<_Tp>& __pc1,
+ const experimental::fundamentals_v2::propagate_const<_Tp>& __pc2) const
+ {
+ return std::less_equal<_Tp>()(_VSTD_LFTS_V2::get_underlying(__pc1), _VSTD_LFTS_V2::get_underlying(__pc2));
+ }
+};
+
+template <class _Tp>
+struct greater_equal<experimental::fundamentals_v2::propagate_const<_Tp>>
+{
+ typedef experimental::fundamentals_v2::propagate_const<_Tp> first_argument_type;
+ typedef experimental::fundamentals_v2::propagate_const<_Tp> second_argument_type;
+
+ bool operator()(const experimental::fundamentals_v2::propagate_const<_Tp>& __pc1,
+ const experimental::fundamentals_v2::propagate_const<_Tp>& __pc2) const
+ {
+ return std::greater_equal<_Tp>()(_VSTD_LFTS_V2::get_underlying(__pc1), _VSTD_LFTS_V2::get_underlying(__pc2));
+ }
+};
+
+_LIBCPP_END_NAMESPACE_STD
+
+#endif // _LIBCPP_STD_VER > 11
+#endif // _LIBCPP_EXPERIMENTAL_PROPAGATE_CONST
+
diff --git a/include/experimental/regex b/include/experimental/regex
new file mode 100644
index 000000000000..d38891c374bb
--- /dev/null
+++ b/include/experimental/regex
@@ -0,0 +1,62 @@
+// -*- C++ -*-
+//===----------------------------- regex ----------------------------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef _LIBCPP_EXPERIMENTAL_REGEX
+#define _LIBCPP_EXPERIMENTAL_REGEX
+/*
+ experimental/regex synopsis
+
+// C++1z
+namespace std {
+namespace experimental {
+inline namespace fundamentals_v1 {
+namespace pmr {
+
+ template <class BidirectionalIterator>
+ using match_results =
+ std::match_results<BidirectionalIterator,
+ polymorphic_allocator<sub_match<BidirectionalIterator>>>;
+
+ typedef match_results<const char*> cmatch;
+ typedef match_results<const wchar_t*> wcmatch;
+ typedef match_results<string::const_iterator> smatch;
+ typedef match_results<wstring::const_iterator> wsmatch;
+
+} // namespace pmr
+} // namespace fundamentals_v1
+} // namespace experimental
+} // namespace std
+
+ */
+
+#include <experimental/__config>
+#include <regex>
+#include <experimental/string>
+#include <experimental/memory_resource>
+
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+#pragma GCC system_header
+#endif
+
+_LIBCPP_BEGIN_NAMESPACE_LFTS_PMR
+
+template <class _BiDirIter>
+using match_results =
+ _VSTD::match_results<_BiDirIter,
+ polymorphic_allocator<_VSTD::sub_match<_BiDirIter>>>;
+
+typedef match_results<const char*> cmatch;
+typedef match_results<const wchar_t*> wcmatch;
+typedef match_results<_VSTD_LFTS_PMR::string::const_iterator> smatch;
+typedef match_results<_VSTD_LFTS_PMR::wstring::const_iterator> wsmatch;
+
+_LIBCPP_END_NAMESPACE_LFTS_PMR
+
+#endif /* _LIBCPP_EXPERIMENTAL_REGEX */
diff --git a/include/experimental/set b/include/experimental/set
new file mode 100644
index 000000000000..20cf6d4a3890
--- /dev/null
+++ b/include/experimental/set
@@ -0,0 +1,57 @@
+// -*- C++ -*-
+//===--------------------------- list ------------------------------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef _LIBCPP_EXPERIMENTAL_SET
+#define _LIBCPP_EXPERIMENTAL_SET
+/*
+ experimental/set synopsis
+
+// C++1z
+namespace std {
+namespace experimental {
+inline namespace fundamentals_v1 {
+namespace pmr {
+
+ template <class Key, class T, class Compare = less<Key>>
+ using set = std::set<Key, T, Compare,
+ polymorphic_allocator<pair<const Key,T>>>;
+
+ template <class Key, class T, class Compare = less<Key>>
+ using multiset = std::multiset<Key, T, Compare,
+ polymorphic_allocator<pair<const Key,T>>>;
+
+} // namespace pmr
+} // namespace fundamentals_v1
+} // namespace experimental
+} // namespace std
+
+ */
+
+#include <experimental/__config>
+#include <set>
+#include <experimental/memory_resource>
+
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+#pragma GCC system_header
+#endif
+
+_LIBCPP_BEGIN_NAMESPACE_LFTS_PMR
+
+template <class _Value, class _Compare = less<_Value>>
+using set = _VSTD::set<_Value, _Compare,
+ polymorphic_allocator<_Value>>;
+
+template <class _Value, class _Compare = less<_Value>>
+using multiset = _VSTD::multiset<_Value, _Compare,
+ polymorphic_allocator<_Value>>;
+
+_LIBCPP_END_NAMESPACE_LFTS_PMR
+
+#endif /* _LIBCPP_EXPERIMENTAL_SET */
diff --git a/include/experimental/string b/include/experimental/string
new file mode 100644
index 000000000000..8b8545128f2a
--- /dev/null
+++ b/include/experimental/string
@@ -0,0 +1,62 @@
+// -*- C++ -*-
+//===--------------------------- string ----------------------------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef _LIBCPP_EXPERIMENTAL_STRING
+#define _LIBCPP_EXPERIMENTAL_STRING
+/*
+ experimental/string synopsis
+
+// C++1z
+namespace std {
+namespace experimental {
+inline namespace fundamentals_v1 {
+namespace pmr {
+
+ // basic_string using polymorphic allocator in namespace pmr
+ template <class charT, class traits = char_traits<charT>>
+ using basic_string =
+ std::basic_string<charT, traits, polymorphic_allocator<charT>>;
+
+ // basic_string typedef names using polymorphic allocator in namespace
+ // std::experimental::pmr
+ typedef basic_string<char> string;
+ typedef basic_string<char16_t> u16string;
+ typedef basic_string<char32_t> u32string;
+ typedef basic_string<wchar_t> wstring;
+
+} // namespace pmr
+} // namespace fundamentals_v1
+} // namespace experimental
+} // namespace std
+
+ */
+
+#include <experimental/__config>
+#include <string>
+#include <experimental/memory_resource>
+
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+#pragma GCC system_header
+#endif
+
+_LIBCPP_BEGIN_NAMESPACE_LFTS_PMR
+
+template <class _CharT, class _Traits = char_traits<_CharT>>
+using basic_string =
+ _VSTD::basic_string<_CharT, _Traits, polymorphic_allocator<_CharT>>;
+
+typedef basic_string<char> string;
+typedef basic_string<char16_t> u16string;
+typedef basic_string<char32_t> u32string;
+typedef basic_string<wchar_t> wstring;
+
+_LIBCPP_END_NAMESPACE_LFTS_PMR
+
+#endif /* _LIBCPP_EXPERIMENTAL_STRING */
diff --git a/include/experimental/string_view b/include/experimental/string_view
index 2a20d7caa687..0a7239b4c0bb 100644
--- a/include/experimental/string_view
+++ b/include/experimental/string_view
@@ -180,6 +180,7 @@ namespace std {
#include <algorithm>
#include <iterator>
#include <ostream>
+#include <stdexcept>
#include <iomanip>
#include <__debug>
@@ -227,7 +228,7 @@ _LIBCPP_BEGIN_NAMESPACE_LFTS
basic_string_view(const _CharT* __s, size_type __len)
: __data(__s), __size(__len)
{
-// _LIBCPP_ASSERT(__len == 0 || __s != nullptr, "string_view::string_view(_CharT *, size_t): recieved nullptr");
+// _LIBCPP_ASSERT(__len == 0 || __s != nullptr, "string_view::string_view(_CharT *, size_t): received nullptr");
}
_LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY
@@ -280,7 +281,7 @@ _LIBCPP_BEGIN_NAMESPACE_LFTS
const_reference at(size_type __pos) const
{
return __pos >= size()
- ? (throw out_of_range("string_view::at"), __data[0])
+ ? (__libcpp_throw(out_of_range("string_view::at")), __data[0])
: __data[__pos];
}
@@ -351,7 +352,7 @@ _LIBCPP_BEGIN_NAMESPACE_LFTS
size_type copy(_CharT* __s, size_type __n, size_type __pos = 0) const
{
if ( __pos > size())
- throw out_of_range("string_view::copy");
+ __libcpp_throw(out_of_range("string_view::copy"));
size_type __rlen = _VSTD::min( __n, size() - __pos );
_VSTD::copy_n(begin() + __pos, __rlen, __s );
return __rlen;
@@ -365,7 +366,7 @@ _LIBCPP_BEGIN_NAMESPACE_LFTS
// size_type __rlen = _VSTD::min( __n, size() - __pos );
// return basic_string_view(data() + __pos, __rlen);
return __pos > size()
- ? throw out_of_range("string_view::substr")
+ ? (__libcpp_throw((out_of_range("string_view::substr"))), basic_string_view())
: basic_string_view(data() + __pos, _VSTD::min(__n, size() - __pos));
}
@@ -413,7 +414,7 @@ _LIBCPP_BEGIN_NAMESPACE_LFTS
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
size_type find(basic_string_view __s, size_type __pos = 0) const _NOEXCEPT
{
- _LIBCPP_ASSERT(__s.size() == 0 || __s.data() != nullptr, "string_view::find(): recieved nullptr");
+ _LIBCPP_ASSERT(__s.size() == 0 || __s.data() != nullptr, "string_view::find(): received nullptr");
return _VSTD::__str_find<value_type, size_type, traits_type, npos>
(data(), size(), __s.data(), __pos, __s.size());
}
@@ -428,7 +429,7 @@ _LIBCPP_BEGIN_NAMESPACE_LFTS
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
size_type find(const _CharT* __s, size_type __pos, size_type __n) const
{
- _LIBCPP_ASSERT(__n == 0 || __s != nullptr, "string_view::find(): recieved nullptr");
+ _LIBCPP_ASSERT(__n == 0 || __s != nullptr, "string_view::find(): received nullptr");
return _VSTD::__str_find<value_type, size_type, traits_type, npos>
(data(), size(), __s, __pos, __n);
}
@@ -436,7 +437,7 @@ _LIBCPP_BEGIN_NAMESPACE_LFTS
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
size_type find(const _CharT* __s, size_type __pos = 0) const
{
- _LIBCPP_ASSERT(__s != nullptr, "string_view::find(): recieved nullptr");
+ _LIBCPP_ASSERT(__s != nullptr, "string_view::find(): received nullptr");
return _VSTD::__str_find<value_type, size_type, traits_type, npos>
(data(), size(), __s, __pos, traits_type::length(__s));
}
@@ -445,7 +446,7 @@ _LIBCPP_BEGIN_NAMESPACE_LFTS
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
size_type rfind(basic_string_view __s, size_type __pos = npos) const _NOEXCEPT
{
- _LIBCPP_ASSERT(__s.size() == 0 || __s.data() != nullptr, "string_view::find(): recieved nullptr");
+ _LIBCPP_ASSERT(__s.size() == 0 || __s.data() != nullptr, "string_view::find(): received nullptr");
return _VSTD::__str_rfind<value_type, size_type, traits_type, npos>
(data(), size(), __s.data(), __pos, __s.size());
}
@@ -460,7 +461,7 @@ _LIBCPP_BEGIN_NAMESPACE_LFTS
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
size_type rfind(const _CharT* __s, size_type __pos, size_type __n) const
{
- _LIBCPP_ASSERT(__n == 0 || __s != nullptr, "string_view::rfind(): recieved nullptr");
+ _LIBCPP_ASSERT(__n == 0 || __s != nullptr, "string_view::rfind(): received nullptr");
return _VSTD::__str_rfind<value_type, size_type, traits_type, npos>
(data(), size(), __s, __pos, __n);
}
@@ -468,7 +469,7 @@ _LIBCPP_BEGIN_NAMESPACE_LFTS
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
size_type rfind(const _CharT* __s, size_type __pos=npos) const
{
- _LIBCPP_ASSERT(__s != nullptr, "string_view::rfind(): recieved nullptr");
+ _LIBCPP_ASSERT(__s != nullptr, "string_view::rfind(): received nullptr");
return _VSTD::__str_rfind<value_type, size_type, traits_type, npos>
(data(), size(), __s, __pos, traits_type::length(__s));
}
@@ -477,7 +478,7 @@ _LIBCPP_BEGIN_NAMESPACE_LFTS
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
size_type find_first_of(basic_string_view __s, size_type __pos = 0) const _NOEXCEPT
{
- _LIBCPP_ASSERT(__s.size() == 0 || __s.data() != nullptr, "string_view::find_first_of(): recieved nullptr");
+ _LIBCPP_ASSERT(__s.size() == 0 || __s.data() != nullptr, "string_view::find_first_of(): received nullptr");
return _VSTD::__str_find_first_of<value_type, size_type, traits_type, npos>
(data(), size(), __s.data(), __pos, __s.size());
}
@@ -489,7 +490,7 @@ _LIBCPP_BEGIN_NAMESPACE_LFTS
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
size_type find_first_of(const _CharT* __s, size_type __pos, size_type __n) const
{
- _LIBCPP_ASSERT(__n == 0 || __s != nullptr, "string_view::find_first_of(): recieved nullptr");
+ _LIBCPP_ASSERT(__n == 0 || __s != nullptr, "string_view::find_first_of(): received nullptr");
return _VSTD::__str_find_first_of<value_type, size_type, traits_type, npos>
(data(), size(), __s, __pos, __n);
}
@@ -497,7 +498,7 @@ _LIBCPP_BEGIN_NAMESPACE_LFTS
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
size_type find_first_of(const _CharT* __s, size_type __pos=0) const
{
- _LIBCPP_ASSERT(__s != nullptr, "string_view::find_first_of(): recieved nullptr");
+ _LIBCPP_ASSERT(__s != nullptr, "string_view::find_first_of(): received nullptr");
return _VSTD::__str_find_first_of<value_type, size_type, traits_type, npos>
(data(), size(), __s, __pos, traits_type::length(__s));
}
@@ -506,7 +507,7 @@ _LIBCPP_BEGIN_NAMESPACE_LFTS
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
size_type find_last_of(basic_string_view __s, size_type __pos=npos) const _NOEXCEPT
{
- _LIBCPP_ASSERT(__s.size() == 0 || __s.data() != nullptr, "string_view::find_last_of(): recieved nullptr");
+ _LIBCPP_ASSERT(__s.size() == 0 || __s.data() != nullptr, "string_view::find_last_of(): received nullptr");
return _VSTD::__str_find_last_of<value_type, size_type, traits_type, npos>
(data(), size(), __s.data(), __pos, __s.size());
}
@@ -518,7 +519,7 @@ _LIBCPP_BEGIN_NAMESPACE_LFTS
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
size_type find_last_of(const _CharT* __s, size_type __pos, size_type __n) const
{
- _LIBCPP_ASSERT(__n == 0 || __s != nullptr, "string_view::find_last_of(): recieved nullptr");
+ _LIBCPP_ASSERT(__n == 0 || __s != nullptr, "string_view::find_last_of(): received nullptr");
return _VSTD::__str_find_last_of<value_type, size_type, traits_type, npos>
(data(), size(), __s, __pos, __n);
}
@@ -526,7 +527,7 @@ _LIBCPP_BEGIN_NAMESPACE_LFTS
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
size_type find_last_of(const _CharT* __s, size_type __pos=npos) const
{
- _LIBCPP_ASSERT(__s != nullptr, "string_view::find_last_of(): recieved nullptr");
+ _LIBCPP_ASSERT(__s != nullptr, "string_view::find_last_of(): received nullptr");
return _VSTD::__str_find_last_of<value_type, size_type, traits_type, npos>
(data(), size(), __s, __pos, traits_type::length(__s));
}
@@ -535,7 +536,7 @@ _LIBCPP_BEGIN_NAMESPACE_LFTS
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
size_type find_first_not_of(basic_string_view __s, size_type __pos=0) const _NOEXCEPT
{
- _LIBCPP_ASSERT(__s.size() == 0 || __s.data() != nullptr, "string_view::find_first_not_of(): recieved nullptr");
+ _LIBCPP_ASSERT(__s.size() == 0 || __s.data() != nullptr, "string_view::find_first_not_of(): received nullptr");
return _VSTD::__str_find_first_not_of<value_type, size_type, traits_type, npos>
(data(), size(), __s.data(), __pos, __s.size());
}
@@ -550,7 +551,7 @@ _LIBCPP_BEGIN_NAMESPACE_LFTS
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
size_type find_first_not_of(const _CharT* __s, size_type __pos, size_type __n) const
{
- _LIBCPP_ASSERT(__n == 0 || __s != nullptr, "string_view::find_first_not_of(): recieved nullptr");
+ _LIBCPP_ASSERT(__n == 0 || __s != nullptr, "string_view::find_first_not_of(): received nullptr");
return _VSTD::__str_find_first_not_of<value_type, size_type, traits_type, npos>
(data(), size(), __s, __pos, __n);
}
@@ -558,7 +559,7 @@ _LIBCPP_BEGIN_NAMESPACE_LFTS
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
size_type find_first_not_of(const _CharT* __s, size_type __pos=0) const
{
- _LIBCPP_ASSERT(__s != nullptr, "string_view::find_first_not_of(): recieved nullptr");
+ _LIBCPP_ASSERT(__s != nullptr, "string_view::find_first_not_of(): received nullptr");
return _VSTD::__str_find_first_not_of<value_type, size_type, traits_type, npos>
(data(), size(), __s, __pos, traits_type::length(__s));
}
@@ -567,7 +568,7 @@ _LIBCPP_BEGIN_NAMESPACE_LFTS
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
size_type find_last_not_of(basic_string_view __s, size_type __pos=npos) const _NOEXCEPT
{
- _LIBCPP_ASSERT(__s.size() == 0 || __s.data() != nullptr, "string_view::find_last_not_of(): recieved nullptr");
+ _LIBCPP_ASSERT(__s.size() == 0 || __s.data() != nullptr, "string_view::find_last_not_of(): received nullptr");
return _VSTD::__str_find_last_not_of<value_type, size_type, traits_type, npos>
(data(), size(), __s.data(), __pos, __s.size());
}
@@ -582,7 +583,7 @@ _LIBCPP_BEGIN_NAMESPACE_LFTS
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
size_type find_last_not_of(const _CharT* __s, size_type __pos, size_type __n) const
{
- _LIBCPP_ASSERT(__n == 0 || __s != nullptr, "string_view::find_last_not_of(): recieved nullptr");
+ _LIBCPP_ASSERT(__n == 0 || __s != nullptr, "string_view::find_last_not_of(): received nullptr");
return _VSTD::__str_find_last_not_of<value_type, size_type, traits_type, npos>
(data(), size(), __s, __pos, __n);
}
@@ -590,7 +591,7 @@ _LIBCPP_BEGIN_NAMESPACE_LFTS
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
size_type find_last_not_of(const _CharT* __s, size_type __pos=npos) const
{
- _LIBCPP_ASSERT(__s != nullptr, "string_view::find_last_not_of(): recieved nullptr");
+ _LIBCPP_ASSERT(__s != nullptr, "string_view::find_last_not_of(): received nullptr");
return _VSTD::__str_find_last_not_of<value_type, size_type, traits_type, npos>
(data(), size(), __s, __pos, traits_type::length(__s));
}
diff --git a/include/experimental/tuple b/include/experimental/tuple
index 50d1e0555bc4..e00d2ec1a92f 100644
--- a/include/experimental/tuple
+++ b/include/experimental/tuple
@@ -57,9 +57,10 @@ _LIBCPP_CONSTEXPR size_t tuple_size_v = tuple_size<_Tp>::value;
template <class _Fn, class _Tuple, size_t ..._Id>
inline _LIBCPP_INLINE_VISIBILITY
+_LIBCPP_CONSTEXPR_AFTER_CXX11
decltype(auto) __apply_tuple_impl(_Fn && __f, _Tuple && __t,
integer_sequence<size_t, _Id...>) {
- return _VSTD::__invoke(
+ return _VSTD::__invoke_constexpr(
_VSTD::forward<_Fn>(__f),
_VSTD::get<_Id>(_VSTD::forward<_Tuple>(__t))...
);
diff --git a/include/experimental/unordered_map b/include/experimental/unordered_map
new file mode 100644
index 000000000000..1f998c2d4c7e
--- /dev/null
+++ b/include/experimental/unordered_map
@@ -0,0 +1,65 @@
+// -*- C++ -*-
+//===------------------------- unordered_map ------------------------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef _LIBCPP_EXPERIMENTAL_UNORDERED_MAP
+#define _LIBCPP_EXPERIMENTAL_UNORDERED_MAP
+/*
+ experimental/unordered_map synopsis
+
+// C++1z
+namespace std {
+namespace experimental {
+inline namespace fundamentals_v1 {
+namespace pmr {
+
+ template <class Key, class T,
+ class Hash = hash<Key>,
+ class Pred = equal_to<Key>>
+ using unordered_map =
+ std::unordered_map<Key, T, Hash, Pred,
+ polymorphic_allocator<pair<const Key,T>>>;
+
+ template <class Key, class T,
+ class Hash = hash<Key>,
+ class Pred = equal_to<Key>>
+ using unordered_multimap =
+ std::unordered_multimap<Key, T, Hash, Pred,
+ polymorphic_allocator<pair<const Key,T>>>;
+
+} // namespace pmr
+} // namespace fundamentals_v1
+} // namespace experimental
+} // namespace std
+
+ */
+
+#include <experimental/__config>
+#include <unordered_map>
+#include <experimental/memory_resource>
+
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+#pragma GCC system_header
+#endif
+
+_LIBCPP_BEGIN_NAMESPACE_LFTS_PMR
+
+template <class _Key, class _Value,
+ class _Hash = hash<_Key>, class _Pred = equal_to<_Key>>
+using unordered_map = _VSTD::unordered_map<_Key, _Value, _Hash, _Pred,
+ polymorphic_allocator<pair<const _Key, _Value>>>;
+
+template <class _Key, class _Value,
+ class _Hash = hash<_Key>, class _Pred = equal_to<_Key>>
+using unordered_multimap = _VSTD::unordered_multimap<_Key, _Value, _Hash, _Pred,
+ polymorphic_allocator<pair<const _Key, _Value>>>;
+
+_LIBCPP_END_NAMESPACE_LFTS_PMR
+
+#endif /* _LIBCPP_EXPERIMENTAL_UNORDERED_MAP */
diff --git a/include/experimental/unordered_set b/include/experimental/unordered_set
new file mode 100644
index 000000000000..d00a83753401
--- /dev/null
+++ b/include/experimental/unordered_set
@@ -0,0 +1,59 @@
+// -*- C++ -*-
+//===------------------------- unordered_set ------------------------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef _LIBCPP_EXPERIMENTAL_UNORDERED_SET
+#define _LIBCPP_EXPERIMENTAL_UNORDERED_SET
+/*
+ experimental/unordered_set synopsis
+
+// C++1z
+namespace std {
+namespace experimental {
+inline namespace fundamentals_v1 {
+namespace pmr {
+
+ template <class T, class Hash = hash<T>, class Pred = equal_to<T>>
+ using unordered_set = std::unordered_set<T, Hash, Pred,
+ polymorphic_allocator<T>>;
+
+ template <class T, class Hash = hash<T>, class Pred = equal_to<T>>
+ using unordered_multiset = std::unordered_multiset<T, Hash, Pred,
+ polymorphic_allocator<T>>;
+
+} // namespace pmr
+} // namespace fundamentals_v1
+} // namespace experimental
+} // namespace std
+
+ */
+
+#include <experimental/__config>
+#include <unordered_set>
+#include <experimental/memory_resource>
+
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+#pragma GCC system_header
+#endif
+
+_LIBCPP_BEGIN_NAMESPACE_LFTS_PMR
+
+template <class _Value,
+ class _Hash = hash<_Value>, class _Pred = equal_to<_Value>>
+using unordered_set = _VSTD::unordered_set<_Value, _Hash, _Pred,
+ polymorphic_allocator<_Value>>;
+
+template <class _Value,
+ class _Hash = hash<_Value>, class _Pred = equal_to<_Value>>
+using unordered_multiset = _VSTD::unordered_multiset<_Value, _Hash, _Pred,
+ polymorphic_allocator<_Value>>;
+
+_LIBCPP_END_NAMESPACE_LFTS_PMR
+
+#endif /* _LIBCPP_EXPERIMENTAL_UNORDERED_SET */
diff --git a/include/experimental/vector b/include/experimental/vector
new file mode 100644
index 000000000000..bd10492bfefc
--- /dev/null
+++ b/include/experimental/vector
@@ -0,0 +1,47 @@
+// -*- C++ -*-
+//===--------------------------- vector ------------------------------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef _LIBCPP_EXPERIMENTAL_VECTOR
+#define _LIBCPP_EXPERIMENTAL_VECTOR
+/*
+ experimental/vector synopsis
+
+// C++1z
+namespace std {
+namespace experimental {
+inline namespace fundamentals_v1 {
+namespace pmr {
+
+ template <class T>
+ using vector = std::vector<T, polymorphic_allocator<T>>;
+
+} // namespace pmr
+} // namespace fundamentals_v1
+} // namespace experimental
+} // namespace std
+
+ */
+
+#include <experimental/__config>
+#include <vector>
+#include <experimental/memory_resource>
+
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+#pragma GCC system_header
+#endif
+
+_LIBCPP_BEGIN_NAMESPACE_LFTS_PMR
+
+template <class _ValueT>
+using vector = _VSTD::vector<_ValueT, polymorphic_allocator<_ValueT>>;
+
+_LIBCPP_END_NAMESPACE_LFTS_PMR
+
+#endif /* _LIBCPP_EXPERIMENTAL_VECTOR */