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-rw-r--r--deskutils/kmail/files/patch-agents_unifiedmailboxagent_boost__optional.h1082
1 files changed, 0 insertions, 1082 deletions
diff --git a/deskutils/kmail/files/patch-agents_unifiedmailboxagent_boost__optional.h b/deskutils/kmail/files/patch-agents_unifiedmailboxagent_boost__optional.h
deleted file mode 100644
index 5e6e08be5f76..000000000000
--- a/deskutils/kmail/files/patch-agents_unifiedmailboxagent_boost__optional.h
+++ /dev/null
@@ -1,1082 +0,0 @@
-Copyright (C) 2011-2016 Andrzej Krzemienski
-
-Distributed under the Boost Software License, Version 1.0
-(see accompanying file LICENSE_1_0.txt or a copy at
-http://www.boost.org/LICENSE_1_0.txt)
-
-The idea and interface is based on Boost.Optional library
-authored by Fernando Luis Cacciola Carballal
-
-Home at https://github.com/akrzemi1/Optional
-
-
---- agents/unifiedmailboxagent/boost_optional.h.orig 2018-12-29 21:08:10 UTC
-+++ agents/unifiedmailboxagent/boost_optional.h
-@@ -0,0 +1,1067 @@
-+// Copyright (C) 2011 - 2012 Andrzej Krzemienski.
-+//
-+// Use, modification, and distribution is subject to the Boost Software
-+// License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
-+// http://www.boost.org/LICENSE_1_0.txt)
-+//
-+// The idea and interface is based on Boost.Optional library
-+// authored by Fernando Luis Cacciola Carballal
-+
-+# ifndef ___OPTIONAL_HPP___
-+# define ___OPTIONAL_HPP___
-+
-+# include <utility>
-+# include <type_traits>
-+# include <initializer_list>
-+# include <cassert>
-+# include <functional>
-+# include <string>
-+# include <stdexcept>
-+
-+# define TR2_OPTIONAL_REQUIRES(...) typename enable_if<__VA_ARGS__::value, bool>::type = false
-+
-+# if defined __GNUC__ // NOTE: GNUC is also defined for Clang
-+# if (__GNUC__ == 4) && (__GNUC_MINOR__ >= 8)
-+# define TR2_OPTIONAL_GCC_4_8_AND_HIGHER___
-+# elif (__GNUC__ > 4)
-+# define TR2_OPTIONAL_GCC_4_8_AND_HIGHER___
-+# endif
-+#
-+# if (__GNUC__ == 4) && (__GNUC_MINOR__ >= 7)
-+# define TR2_OPTIONAL_GCC_4_7_AND_HIGHER___
-+# elif (__GNUC__ > 4)
-+# define TR2_OPTIONAL_GCC_4_7_AND_HIGHER___
-+# endif
-+#
-+# if (__GNUC__ == 4) && (__GNUC_MINOR__ == 8) && (__GNUC_PATCHLEVEL__ >= 1)
-+# define TR2_OPTIONAL_GCC_4_8_1_AND_HIGHER___
-+# elif (__GNUC__ == 4) && (__GNUC_MINOR__ >= 9)
-+# define TR2_OPTIONAL_GCC_4_8_1_AND_HIGHER___
-+# elif (__GNUC__ > 4)
-+# define TR2_OPTIONAL_GCC_4_8_1_AND_HIGHER___
-+# endif
-+# endif
-+#
-+# if defined __clang_major__
-+# if (__clang_major__ == 3 && __clang_minor__ >= 5)
-+# define TR2_OPTIONAL_CLANG_3_5_AND_HIGHTER_
-+# elif (__clang_major__ > 3)
-+# define TR2_OPTIONAL_CLANG_3_5_AND_HIGHTER_
-+# endif
-+# if defined TR2_OPTIONAL_CLANG_3_5_AND_HIGHTER_
-+# define TR2_OPTIONAL_CLANG_3_4_2_AND_HIGHER_
-+# elif (__clang_major__ == 3 && __clang_minor__ == 4 && __clang_patchlevel__ >= 2)
-+# define TR2_OPTIONAL_CLANG_3_4_2_AND_HIGHER_
-+# endif
-+# endif
-+#
-+# if defined _MSC_VER
-+# if (_MSC_VER >= 1900)
-+# define TR2_OPTIONAL_MSVC_2015_AND_HIGHER___
-+# endif
-+# endif
-+
-+# if defined __clang__
-+# if (__clang_major__ > 2) || (__clang_major__ == 2) && (__clang_minor__ >= 9)
-+# define OPTIONAL_HAS_THIS_RVALUE_REFS 1
-+# else
-+# define OPTIONAL_HAS_THIS_RVALUE_REFS 0
-+# endif
-+# elif defined TR2_OPTIONAL_GCC_4_8_1_AND_HIGHER___
-+# define OPTIONAL_HAS_THIS_RVALUE_REFS 1
-+# elif defined TR2_OPTIONAL_MSVC_2015_AND_HIGHER___
-+# define OPTIONAL_HAS_THIS_RVALUE_REFS 1
-+# else
-+# define OPTIONAL_HAS_THIS_RVALUE_REFS 0
-+# endif
-+
-+
-+# if defined TR2_OPTIONAL_GCC_4_8_1_AND_HIGHER___
-+# define OPTIONAL_HAS_CONSTEXPR_INIT_LIST 1
-+# define OPTIONAL_CONSTEXPR_INIT_LIST constexpr
-+# else
-+# define OPTIONAL_HAS_CONSTEXPR_INIT_LIST 0
-+# define OPTIONAL_CONSTEXPR_INIT_LIST
-+# endif
-+
-+# if defined TR2_OPTIONAL_CLANG_3_5_AND_HIGHTER_ && (defined __cplusplus) && (__cplusplus != 201103L)
-+# define OPTIONAL_HAS_MOVE_ACCESSORS 1
-+# else
-+# define OPTIONAL_HAS_MOVE_ACCESSORS 0
-+# endif
-+
-+# // In C++11 constexpr implies const, so we need to make non-const members also non-constexpr
-+# if (defined __cplusplus) && (__cplusplus == 201103L)
-+# define OPTIONAL_MUTABLE_CONSTEXPR
-+# else
-+# define OPTIONAL_MUTABLE_CONSTEXPR constexpr
-+# endif
-+
-+namespace std{
-+
-+namespace experimental{
-+
-+// BEGIN workaround for missing is_trivially_destructible
-+# if defined TR2_OPTIONAL_GCC_4_8_AND_HIGHER___
-+ // leave it: it is already there
-+# elif defined TR2_OPTIONAL_CLANG_3_4_2_AND_HIGHER_
-+ // leave it: it is already there
-+# elif defined TR2_OPTIONAL_MSVC_2015_AND_HIGHER___
-+ // leave it: it is already there
-+# elif defined TR2_OPTIONAL_DISABLE_EMULATION_OF_TYPE_TRAITS
-+ // leave it: the user doesn't want it
-+# else
-+ template <typename T>
-+ using is_trivially_destructible = std::has_trivial_destructor<T>;
-+# endif
-+// END workaround for missing is_trivially_destructible
-+
-+# if (defined TR2_OPTIONAL_GCC_4_7_AND_HIGHER___)
-+ // leave it; our metafunctions are already defined.
-+# elif defined TR2_OPTIONAL_CLANG_3_4_2_AND_HIGHER_
-+ // leave it; our metafunctions are already defined.
-+# elif defined TR2_OPTIONAL_MSVC_2015_AND_HIGHER___
-+ // leave it: it is already there
-+# elif defined TR2_OPTIONAL_DISABLE_EMULATION_OF_TYPE_TRAITS
-+ // leave it: the user doesn't want it
-+# else
-+
-+
-+// workaround for missing traits in GCC and CLANG
-+template <class T>
-+struct is_nothrow_move_constructible
-+{
-+ constexpr static bool value = std::is_nothrow_constructible<T, T&&>::value;
-+};
-+
-+
-+template <class T, class U>
-+struct is_assignable
-+{
-+ template <class X, class Y>
-+ constexpr static bool has_assign(...) { return false; }
-+
-+ template <class X, class Y, size_t S = sizeof((std::declval<X>() = std::declval<Y>(), true)) >
-+ // the comma operator is necessary for the cases where operator= returns void
-+ constexpr static bool has_assign(bool) { return true; }
-+
-+ constexpr static bool value = has_assign<T, U>(true);
-+};
-+
-+
-+template <class T>
-+struct is_nothrow_move_assignable
-+{
-+ template <class X, bool has_any_move_assign>
-+ struct has_nothrow_move_assign {
-+ constexpr static bool value = false;
-+ };
-+
-+ template <class X>
-+ struct has_nothrow_move_assign<X, true> {
-+ constexpr static bool value = noexcept( std::declval<X&>() = std::declval<X&&>() );
-+ };
-+
-+ constexpr static bool value = has_nothrow_move_assign<T, is_assignable<T&, T&&>::value>::value;
-+};
-+// end workaround
-+
-+
-+# endif
-+
-+
-+
-+// 20.5.4, optional for object types
-+template <class T> class optional;
-+
-+// 20.5.5, optional for lvalue reference types
-+template <class T> class optional<T&>;
-+
-+
-+// workaround: std utility functions aren't constexpr yet
-+template <class T> inline constexpr T&& constexpr_forward(typename std::remove_reference<T>::type& t) noexcept
-+{
-+ return static_cast<T&&>(t);
-+}
-+
-+template <class T> inline constexpr T&& constexpr_forward(typename std::remove_reference<T>::type&& t) noexcept
-+{
-+ static_assert(!std::is_lvalue_reference<T>::value, "!!");
-+ return static_cast<T&&>(t);
-+}
-+
-+template <class T> inline constexpr typename std::remove_reference<T>::type&& constexpr_move(T&& t) noexcept
-+{
-+ return static_cast<typename std::remove_reference<T>::type&&>(t);
-+}
-+
-+
-+#if defined NDEBUG
-+# define TR2_OPTIONAL_ASSERTED_EXPRESSION(CHECK, EXPR) (EXPR)
-+#else
-+# define TR2_OPTIONAL_ASSERTED_EXPRESSION(CHECK, EXPR) ((CHECK) ? (EXPR) : ([]{assert(!#CHECK);}(), (EXPR)))
-+#endif
-+
-+
-+namespace detail_
-+{
-+
-+// static_addressof: a constexpr version of addressof
-+template <typename T>
-+struct has_overloaded_addressof
-+{
-+ template <class X>
-+ constexpr static bool has_overload(...) { return false; }
-+
-+ template <class X, size_t S = sizeof(std::declval<X&>().operator&()) >
-+ constexpr static bool has_overload(bool) { return true; }
-+
-+ constexpr static bool value = has_overload<T>(true);
-+};
-+
-+template <typename T, TR2_OPTIONAL_REQUIRES(!has_overloaded_addressof<T>)>
-+constexpr T* static_addressof(T& ref)
-+{
-+ return &ref;
-+}
-+
-+template <typename T, TR2_OPTIONAL_REQUIRES(has_overloaded_addressof<T>)>
-+T* static_addressof(T& ref)
-+{
-+ return std::addressof(ref);
-+}
-+
-+
-+// the call to convert<A>(b) has return type A and converts b to type A iff b decltype(b) is implicitly convertible to A
-+template <class U>
-+constexpr U convert(U v) { return v; }
-+
-+
-+namespace swap_ns
-+{
-+ using std::swap;
-+
-+ template <class T>
-+ void adl_swap(T& t, T& u) noexcept(noexcept(swap(t, u)))
-+ {
-+ swap(t, u);
-+ }
-+
-+} // namespace swap_ns
-+
-+} // namespace detail
-+
-+
-+constexpr struct trivial_init_t{} trivial_init{};
-+
-+
-+// 20.5.6, In-place construction
-+constexpr struct in_place_t{} in_place{};
-+
-+
-+// 20.5.7, Disengaged state indicator
-+struct nullopt_t
-+{
-+ struct init{};
-+ constexpr explicit nullopt_t(init){}
-+};
-+constexpr nullopt_t nullopt{nullopt_t::init()};
-+
-+
-+// 20.5.8, class bad_optional_access
-+class bad_optional_access : public logic_error {
-+public:
-+ explicit bad_optional_access(const string& what_arg) : logic_error{what_arg} {}
-+ explicit bad_optional_access(const char* what_arg) : logic_error{what_arg} {}
-+};
-+
-+
-+template <class T>
-+union storage_t
-+{
-+ unsigned char dummy_;
-+ T value_;
-+
-+ constexpr storage_t( trivial_init_t ) noexcept : dummy_() {};
-+
-+ template <class... Args>
-+ constexpr storage_t( Args&&... args ) : value_(constexpr_forward<Args>(args)...) {}
-+
-+ ~storage_t(){}
-+};
-+
-+
-+template <class T>
-+union constexpr_storage_t
-+{
-+ unsigned char dummy_;
-+ T value_;
-+
-+ constexpr constexpr_storage_t( trivial_init_t ) noexcept : dummy_() {};
-+
-+ template <class... Args>
-+ constexpr constexpr_storage_t( Args&&... args ) : value_(constexpr_forward<Args>(args)...) {}
-+
-+ ~constexpr_storage_t() = default;
-+};
-+
-+
-+template <class T>
-+struct optional_base
-+{
-+ bool init_;
-+ storage_t<T> storage_;
-+
-+ constexpr optional_base() noexcept : init_(false), storage_(trivial_init) {};
-+
-+ explicit constexpr optional_base(const T& v) : init_(true), storage_(v) {}
-+
-+ explicit constexpr optional_base(T&& v) : init_(true), storage_(constexpr_move(v)) {}
-+
-+ template <class... Args> explicit optional_base(in_place_t, Args&&... args)
-+ : init_(true), storage_(constexpr_forward<Args>(args)...) {}
-+
-+ template <class U, class... Args, TR2_OPTIONAL_REQUIRES(is_constructible<T, std::initializer_list<U>>)>
-+ explicit optional_base(in_place_t, std::initializer_list<U> il, Args&&... args)
-+ : init_(true), storage_(il, std::forward<Args>(args)...) {}
-+
-+ ~optional_base() { if (init_) storage_.value_.T::~T(); }
-+};
-+
-+
-+template <class T>
-+struct constexpr_optional_base
-+{
-+ bool init_;
-+ constexpr_storage_t<T> storage_;
-+
-+ constexpr constexpr_optional_base() noexcept : init_(false), storage_(trivial_init) {};
-+
-+ explicit constexpr constexpr_optional_base(const T& v) : init_(true), storage_(v) {}
-+
-+ explicit constexpr constexpr_optional_base(T&& v) : init_(true), storage_(constexpr_move(v)) {}
-+
-+ template <class... Args> explicit constexpr constexpr_optional_base(in_place_t, Args&&... args)
-+ : init_(true), storage_(constexpr_forward<Args>(args)...) {}
-+
-+ template <class U, class... Args, TR2_OPTIONAL_REQUIRES(is_constructible<T, std::initializer_list<U>>)>
-+ OPTIONAL_CONSTEXPR_INIT_LIST explicit constexpr_optional_base(in_place_t, std::initializer_list<U> il, Args&&... args)
-+ : init_(true), storage_(il, std::forward<Args>(args)...) {}
-+
-+ ~constexpr_optional_base() = default;
-+};
-+
-+template <class T>
-+using OptionalBase = typename std::conditional<
-+ is_trivially_destructible<T>::value, // if possible
-+ constexpr_optional_base<typename std::remove_const<T>::type>, // use base with trivial destructor
-+ optional_base<typename std::remove_const<T>::type>
-+>::type;
-+
-+
-+
-+template <class T>
-+class optional : private OptionalBase<T>
-+{
-+ static_assert( !std::is_same<typename std::decay<T>::type, nullopt_t>::value, "bad T" );
-+ static_assert( !std::is_same<typename std::decay<T>::type, in_place_t>::value, "bad T" );
-+
-+
-+ constexpr bool initialized() const noexcept { return OptionalBase<T>::init_; }
-+ typename std::remove_const<T>::type* dataptr() { return std::addressof(OptionalBase<T>::storage_.value_); }
-+ constexpr const T* dataptr() const { return detail_::static_addressof(OptionalBase<T>::storage_.value_); }
-+
-+# if OPTIONAL_HAS_THIS_RVALUE_REFS == 1
-+ constexpr const T& contained_val() const& { return OptionalBase<T>::storage_.value_; }
-+# if OPTIONAL_HAS_MOVE_ACCESSORS == 1
-+ OPTIONAL_MUTABLE_CONSTEXPR T&& contained_val() && { return std::move(OptionalBase<T>::storage_.value_); }
-+ OPTIONAL_MUTABLE_CONSTEXPR T& contained_val() & { return OptionalBase<T>::storage_.value_; }
-+# else
-+ T& contained_val() & { return OptionalBase<T>::storage_.value_; }
-+ T&& contained_val() && { return std::move(OptionalBase<T>::storage_.value_); }
-+# endif
-+# else
-+ constexpr const T& contained_val() const { return OptionalBase<T>::storage_.value_; }
-+ T& contained_val() { return OptionalBase<T>::storage_.value_; }
-+# endif
-+
-+ void clear() noexcept {
-+ if (initialized()) dataptr()->T::~T();
-+ OptionalBase<T>::init_ = false;
-+ }
-+
-+ template <class... Args>
-+ void initialize(Args&&... args) noexcept(noexcept(T(std::forward<Args>(args)...)))
-+ {
-+ assert(!OptionalBase<T>::init_);
-+ ::new (static_cast<void*>(dataptr())) T(std::forward<Args>(args)...);
-+ OptionalBase<T>::init_ = true;
-+ }
-+
-+ template <class U, class... Args>
-+ void initialize(std::initializer_list<U> il, Args&&... args) noexcept(noexcept(T(il, std::forward<Args>(args)...)))
-+ {
-+ assert(!OptionalBase<T>::init_);
-+ ::new (static_cast<void*>(dataptr())) T(il, std::forward<Args>(args)...);
-+ OptionalBase<T>::init_ = true;
-+ }
-+
-+public:
-+ typedef T value_type;
-+
-+ // 20.5.5.1, constructors
-+ constexpr optional() noexcept : OptionalBase<T>() {};
-+ constexpr optional(nullopt_t) noexcept : OptionalBase<T>() {};
-+
-+ optional(const optional& rhs)
-+ : OptionalBase<T>()
-+ {
-+ if (rhs.initialized()) {
-+ ::new (static_cast<void*>(dataptr())) T(*rhs);
-+ OptionalBase<T>::init_ = true;
-+ }
-+ }
-+
-+ optional(optional&& rhs) noexcept(is_nothrow_move_constructible<T>::value)
-+ : OptionalBase<T>()
-+ {
-+ if (rhs.initialized()) {
-+ ::new (static_cast<void*>(dataptr())) T(std::move(*rhs));
-+ OptionalBase<T>::init_ = true;
-+ }
-+ }
-+
-+ constexpr optional(const T& v) : OptionalBase<T>(v) {}
-+
-+ constexpr optional(T&& v) : OptionalBase<T>(constexpr_move(v)) {}
-+
-+ template <class... Args>
-+ explicit constexpr optional(in_place_t, Args&&... args)
-+ : OptionalBase<T>(in_place_t{}, constexpr_forward<Args>(args)...) {}
-+
-+ template <class U, class... Args, TR2_OPTIONAL_REQUIRES(is_constructible<T, std::initializer_list<U>>)>
-+ OPTIONAL_CONSTEXPR_INIT_LIST explicit optional(in_place_t, std::initializer_list<U> il, Args&&... args)
-+ : OptionalBase<T>(in_place_t{}, il, constexpr_forward<Args>(args)...) {}
-+
-+ // 20.5.4.2, Destructor
-+ ~optional() = default;
-+
-+ // 20.5.4.3, assignment
-+ optional& operator=(nullopt_t) noexcept
-+ {
-+ clear();
-+ return *this;
-+ }
-+
-+ optional& operator=(const optional& rhs)
-+ {
-+ if (initialized() == true && rhs.initialized() == false) clear();
-+ else if (initialized() == false && rhs.initialized() == true) initialize(*rhs);
-+ else if (initialized() == true && rhs.initialized() == true) contained_val() = *rhs;
-+ return *this;
-+ }
-+
-+ optional& operator=(optional&& rhs)
-+ noexcept(is_nothrow_move_assignable<T>::value && is_nothrow_move_constructible<T>::value)
-+ {
-+ if (initialized() == true && rhs.initialized() == false) clear();
-+ else if (initialized() == false && rhs.initialized() == true) initialize(std::move(*rhs));
-+ else if (initialized() == true && rhs.initialized() == true) contained_val() = std::move(*rhs);
-+ return *this;
-+ }
-+
-+ template <class U>
-+ auto operator=(U&& v)
-+ -> typename enable_if
-+ <
-+ is_same<typename decay<U>::type, T>::value,
-+ optional&
-+ >::type
-+ {
-+ if (initialized()) { contained_val() = std::forward<U>(v); }
-+ else { initialize(std::forward<U>(v)); }
-+ return *this;
-+ }
-+
-+
-+ template <class... Args>
-+ void emplace(Args&&... args)
-+ {
-+ clear();
-+ initialize(std::forward<Args>(args)...);
-+ }
-+
-+ template <class U, class... Args>
-+ void emplace(initializer_list<U> il, Args&&... args)
-+ {
-+ clear();
-+ initialize<U, Args...>(il, std::forward<Args>(args)...);
-+ }
-+
-+ // 20.5.4.4, Swap
-+ void swap(optional<T>& rhs) noexcept(is_nothrow_move_constructible<T>::value
-+ && noexcept(detail_::swap_ns::adl_swap(declval<T&>(), declval<T&>())))
-+ {
-+ if (initialized() == true && rhs.initialized() == false) { rhs.initialize(std::move(**this)); clear(); }
-+ else if (initialized() == false && rhs.initialized() == true) { initialize(std::move(*rhs)); rhs.clear(); }
-+ else if (initialized() == true && rhs.initialized() == true) { using std::swap; swap(**this, *rhs); }
-+ }
-+
-+ // 20.5.4.5, Observers
-+
-+ explicit constexpr operator bool() const noexcept { return initialized(); }
-+ constexpr bool has_value() const noexcept { return initialized(); }
-+
-+ constexpr T const* operator ->() const {
-+ return TR2_OPTIONAL_ASSERTED_EXPRESSION(initialized(), dataptr());
-+ }
-+
-+# if OPTIONAL_HAS_MOVE_ACCESSORS == 1
-+
-+ OPTIONAL_MUTABLE_CONSTEXPR T* operator ->() {
-+ assert (initialized());
-+ return dataptr();
-+ }
-+
-+ constexpr T const& operator *() const& {
-+ return TR2_OPTIONAL_ASSERTED_EXPRESSION(initialized(), contained_val());
-+ }
-+
-+ OPTIONAL_MUTABLE_CONSTEXPR T& operator *() & {
-+ assert (initialized());
-+ return contained_val();
-+ }
-+
-+ OPTIONAL_MUTABLE_CONSTEXPR T&& operator *() && {
-+ assert (initialized());
-+ return constexpr_move(contained_val());
-+ }
-+
-+ constexpr T const& value() const& {
-+ return initialized() ? contained_val() : (throw bad_optional_access("bad optional access"), contained_val());
-+ }
-+
-+ OPTIONAL_MUTABLE_CONSTEXPR T& value() & {
-+ return initialized() ? contained_val() : (throw bad_optional_access("bad optional access"), contained_val());
-+ }
-+
-+ OPTIONAL_MUTABLE_CONSTEXPR T&& value() && {
-+ if (!initialized()) throw bad_optional_access("bad optional access");
-+ return std::move(contained_val());
-+ }
-+
-+# else
-+
-+ T* operator ->() {
-+ assert (initialized());
-+ return dataptr();
-+ }
-+
-+ constexpr T const& operator *() const {
-+ return TR2_OPTIONAL_ASSERTED_EXPRESSION(initialized(), contained_val());
-+ }
-+
-+ T& operator *() {
-+ assert (initialized());
-+ return contained_val();
-+ }
-+
-+ constexpr T const& value() const {
-+ return initialized() ? contained_val() : (throw bad_optional_access("bad optional access"), contained_val());
-+ }
-+
-+ T& value() {
-+ return initialized() ? contained_val() : (throw bad_optional_access("bad optional access"), contained_val());
-+ }
-+
-+# endif
-+
-+# if OPTIONAL_HAS_THIS_RVALUE_REFS == 1
-+
-+ template <class V>
-+ constexpr T value_or(V&& v) const&
-+ {
-+ return *this ? **this : detail_::convert<T>(constexpr_forward<V>(v));
-+ }
-+
-+# if OPTIONAL_HAS_MOVE_ACCESSORS == 1
-+
-+ template <class V>
-+ OPTIONAL_MUTABLE_CONSTEXPR T value_or(V&& v) &&
-+ {
-+ return *this ? constexpr_move(const_cast<optional<T>&>(*this).contained_val()) : detail_::convert<T>(constexpr_forward<V>(v));
-+ }
-+
-+# else
-+
-+ template <class V>
-+ T value_or(V&& v) &&
-+ {
-+ return *this ? constexpr_move(const_cast<optional<T>&>(*this).contained_val()) : detail_::convert<T>(constexpr_forward<V>(v));
-+ }
-+
-+# endif
-+
-+# else
-+
-+ template <class V>
-+ constexpr T value_or(V&& v) const
-+ {
-+ return *this ? **this : detail_::convert<T>(constexpr_forward<V>(v));
-+ }
-+
-+# endif
-+
-+ // 20.6.3.6, modifiers
-+ void reset() noexcept { clear(); }
-+};
-+
-+
-+template <class T>
-+class optional<T&>
-+{
-+ static_assert( !std::is_same<T, nullopt_t>::value, "bad T" );
-+ static_assert( !std::is_same<T, in_place_t>::value, "bad T" );
-+ T* ref;
-+
-+public:
-+
-+ // 20.5.5.1, construction/destruction
-+ constexpr optional() noexcept : ref(nullptr) {}
-+
-+ constexpr optional(nullopt_t) noexcept : ref(nullptr) {}
-+
-+ constexpr optional(T& v) noexcept : ref(detail_::static_addressof(v)) {}
-+
-+ optional(T&&) = delete;
-+
-+ constexpr optional(const optional& rhs) noexcept : ref(rhs.ref) {}
-+
-+ explicit constexpr optional(in_place_t, T& v) noexcept : ref(detail_::static_addressof(v)) {}
-+
-+ explicit optional(in_place_t, T&&) = delete;
-+
-+ ~optional() = default;
-+
-+ // 20.5.5.2, mutation
-+ optional& operator=(nullopt_t) noexcept {
-+ ref = nullptr;
-+ return *this;
-+ }
-+
-+ // optional& operator=(const optional& rhs) noexcept {
-+ // ref = rhs.ref;
-+ // return *this;
-+ // }
-+
-+ // optional& operator=(optional&& rhs) noexcept {
-+ // ref = rhs.ref;
-+ // return *this;
-+ // }
-+
-+ template <typename U>
-+ auto operator=(U&& rhs) noexcept
-+ -> typename enable_if
-+ <
-+ is_same<typename decay<U>::type, optional<T&>>::value,
-+ optional&
-+ >::type
-+ {
-+ ref = rhs.ref;
-+ return *this;
-+ }
-+
-+ template <typename U>
-+ auto operator=(U&& rhs) noexcept
-+ -> typename enable_if
-+ <
-+ !is_same<typename decay<U>::type, optional<T&>>::value,
-+ optional&
-+ >::type
-+ = delete;
-+
-+ void emplace(T& v) noexcept {
-+ ref = detail_::static_addressof(v);
-+ }
-+
-+ void emplace(T&&) = delete;
-+
-+
-+ void swap(optional<T&>& rhs) noexcept
-+ {
-+ std::swap(ref, rhs.ref);
-+ }
-+
-+ // 20.5.5.3, observers
-+ constexpr T* operator->() const {
-+ return TR2_OPTIONAL_ASSERTED_EXPRESSION(ref, ref);
-+ }
-+
-+ constexpr T& operator*() const {
-+ return TR2_OPTIONAL_ASSERTED_EXPRESSION(ref, *ref);
-+ }
-+
-+ constexpr T& value() const {
-+ return ref ? *ref : (throw bad_optional_access("bad optional access"), *ref);
-+ }
-+
-+ explicit constexpr operator bool() const noexcept {
-+ return ref != nullptr;
-+ }
-+
-+ constexpr bool has_value() const noexcept {
-+ return ref != nullptr;
-+ }
-+
-+ template <class V>
-+ constexpr typename decay<T>::type value_or(V&& v) const
-+ {
-+ return *this ? **this : detail_::convert<typename decay<T>::type>(constexpr_forward<V>(v));
-+ }
-+
-+ // x.x.x.x, modifiers
-+ void reset() noexcept { ref = nullptr; }
-+};
-+
-+
-+template <class T>
-+class optional<T&&>
-+{
-+ static_assert( sizeof(T) == 0, "optional rvalue references disallowed" );
-+};
-+
-+
-+// 20.5.8, Relational operators
-+template <class T> constexpr bool operator==(const optional<T>& x, const optional<T>& y)
-+{
-+ return bool(x) != bool(y) ? false : bool(x) == false ? true : *x == *y;
-+}
-+
-+template <class T> constexpr bool operator!=(const optional<T>& x, const optional<T>& y)
-+{
-+ return !(x == y);
-+}
-+
-+template <class T> constexpr bool operator<(const optional<T>& x, const optional<T>& y)
-+{
-+ return (!y) ? false : (!x) ? true : *x < *y;
-+}
-+
-+template <class T> constexpr bool operator>(const optional<T>& x, const optional<T>& y)
-+{
-+ return (y < x);
-+}
-+
-+template <class T> constexpr bool operator<=(const optional<T>& x, const optional<T>& y)
-+{
-+ return !(y < x);
-+}
-+
-+template <class T> constexpr bool operator>=(const optional<T>& x, const optional<T>& y)
-+{
-+ return !(x < y);
-+}
-+
-+
-+// 20.5.9, Comparison with nullopt
-+template <class T> constexpr bool operator==(const optional<T>& x, nullopt_t) noexcept
-+{
-+ return (!x);
-+}
-+
-+template <class T> constexpr bool operator==(nullopt_t, const optional<T>& x) noexcept
-+{
-+ return (!x);
-+}
-+
-+template <class T> constexpr bool operator!=(const optional<T>& x, nullopt_t) noexcept
-+{
-+ return bool(x);
-+}
-+
-+template <class T> constexpr bool operator!=(nullopt_t, const optional<T>& x) noexcept
-+{
-+ return bool(x);
-+}
-+
-+template <class T> constexpr bool operator<(const optional<T>&, nullopt_t) noexcept
-+{
-+ return false;
-+}
-+
-+template <class T> constexpr bool operator<(nullopt_t, const optional<T>& x) noexcept
-+{
-+ return bool(x);
-+}
-+
-+template <class T> constexpr bool operator<=(const optional<T>& x, nullopt_t) noexcept
-+{
-+ return (!x);
-+}
-+
-+template <class T> constexpr bool operator<=(nullopt_t, const optional<T>&) noexcept
-+{
-+ return true;
-+}
-+
-+template <class T> constexpr bool operator>(const optional<T>& x, nullopt_t) noexcept
-+{
-+ return bool(x);
-+}
-+
-+template <class T> constexpr bool operator>(nullopt_t, const optional<T>&) noexcept
-+{
-+ return false;
-+}
-+
-+template <class T> constexpr bool operator>=(const optional<T>&, nullopt_t) noexcept
-+{
-+ return true;
-+}
-+
-+template <class T> constexpr bool operator>=(nullopt_t, const optional<T>& x) noexcept
-+{
-+ return (!x);
-+}
-+
-+
-+
-+// 20.5.10, Comparison with T
-+template <class T> constexpr bool operator==(const optional<T>& x, const T& v)
-+{
-+ return bool(x) ? *x == v : false;
-+}
-+
-+template <class T> constexpr bool operator==(const T& v, const optional<T>& x)
-+{
-+ return bool(x) ? v == *x : false;
-+}
-+
-+template <class T> constexpr bool operator!=(const optional<T>& x, const T& v)
-+{
-+ return bool(x) ? *x != v : true;
-+}
-+
-+template <class T> constexpr bool operator!=(const T& v, const optional<T>& x)
-+{
-+ return bool(x) ? v != *x : true;
-+}
-+
-+template <class T> constexpr bool operator<(const optional<T>& x, const T& v)
-+{
-+ return bool(x) ? *x < v : true;
-+}
-+
-+template <class T> constexpr bool operator>(const T& v, const optional<T>& x)
-+{
-+ return bool(x) ? v > *x : true;
-+}
-+
-+template <class T> constexpr bool operator>(const optional<T>& x, const T& v)
-+{
-+ return bool(x) ? *x > v : false;
-+}
-+
-+template <class T> constexpr bool operator<(const T& v, const optional<T>& x)
-+{
-+ return bool(x) ? v < *x : false;
-+}
-+
-+template <class T> constexpr bool operator>=(const optional<T>& x, const T& v)
-+{
-+ return bool(x) ? *x >= v : false;
-+}
-+
-+template <class T> constexpr bool operator<=(const T& v, const optional<T>& x)
-+{
-+ return bool(x) ? v <= *x : false;
-+}
-+
-+template <class T> constexpr bool operator<=(const optional<T>& x, const T& v)
-+{
-+ return bool(x) ? *x <= v : true;
-+}
-+
-+template <class T> constexpr bool operator>=(const T& v, const optional<T>& x)
-+{
-+ return bool(x) ? v >= *x : true;
-+}
-+
-+
-+// Comparison of optional<T&> with T
-+template <class T> constexpr bool operator==(const optional<T&>& x, const T& v)
-+{
-+ return bool(x) ? *x == v : false;
-+}
-+
-+template <class T> constexpr bool operator==(const T& v, const optional<T&>& x)
-+{
-+ return bool(x) ? v == *x : false;
-+}
-+
-+template <class T> constexpr bool operator!=(const optional<T&>& x, const T& v)
-+{
-+ return bool(x) ? *x != v : true;
-+}
-+
-+template <class T> constexpr bool operator!=(const T& v, const optional<T&>& x)
-+{
-+ return bool(x) ? v != *x : true;
-+}
-+
-+template <class T> constexpr bool operator<(const optional<T&>& x, const T& v)
-+{
-+ return bool(x) ? *x < v : true;
-+}
-+
-+template <class T> constexpr bool operator>(const T& v, const optional<T&>& x)
-+{
-+ return bool(x) ? v > *x : true;
-+}
-+
-+template <class T> constexpr bool operator>(const optional<T&>& x, const T& v)
-+{
-+ return bool(x) ? *x > v : false;
-+}
-+
-+template <class T> constexpr bool operator<(const T& v, const optional<T&>& x)
-+{
-+ return bool(x) ? v < *x : false;
-+}
-+
-+template <class T> constexpr bool operator>=(const optional<T&>& x, const T& v)
-+{
-+ return bool(x) ? *x >= v : false;
-+}
-+
-+template <class T> constexpr bool operator<=(const T& v, const optional<T&>& x)
-+{
-+ return bool(x) ? v <= *x : false;
-+}
-+
-+template <class T> constexpr bool operator<=(const optional<T&>& x, const T& v)
-+{
-+ return bool(x) ? *x <= v : true;
-+}
-+
-+template <class T> constexpr bool operator>=(const T& v, const optional<T&>& x)
-+{
-+ return bool(x) ? v >= *x : true;
-+}
-+
-+// Comparison of optional<T const&> with T
-+template <class T> constexpr bool operator==(const optional<const T&>& x, const T& v)
-+{
-+ return bool(x) ? *x == v : false;
-+}
-+
-+template <class T> constexpr bool operator==(const T& v, const optional<const T&>& x)
-+{
-+ return bool(x) ? v == *x : false;
-+}
-+
-+template <class T> constexpr bool operator!=(const optional<const T&>& x, const T& v)
-+{
-+ return bool(x) ? *x != v : true;
-+}
-+
-+template <class T> constexpr bool operator!=(const T& v, const optional<const T&>& x)
-+{
-+ return bool(x) ? v != *x : true;
-+}
-+
-+template <class T> constexpr bool operator<(const optional<const T&>& x, const T& v)
-+{
-+ return bool(x) ? *x < v : true;
-+}
-+
-+template <class T> constexpr bool operator>(const T& v, const optional<const T&>& x)
-+{
-+ return bool(x) ? v > *x : true;
-+}
-+
-+template <class T> constexpr bool operator>(const optional<const T&>& x, const T& v)
-+{
-+ return bool(x) ? *x > v : false;
-+}
-+
-+template <class T> constexpr bool operator<(const T& v, const optional<const T&>& x)
-+{
-+ return bool(x) ? v < *x : false;
-+}
-+
-+template <class T> constexpr bool operator>=(const optional<const T&>& x, const T& v)
-+{
-+ return bool(x) ? *x >= v : false;
-+}
-+
-+template <class T> constexpr bool operator<=(const T& v, const optional<const T&>& x)
-+{
-+ return bool(x) ? v <= *x : false;
-+}
-+
-+template <class T> constexpr bool operator<=(const optional<const T&>& x, const T& v)
-+{
-+ return bool(x) ? *x <= v : true;
-+}
-+
-+template <class T> constexpr bool operator>=(const T& v, const optional<const T&>& x)
-+{
-+ return bool(x) ? v >= *x : true;
-+}
-+
-+
-+// 20.5.12, Specialized algorithms
-+template <class T>
-+void swap(optional<T>& x, optional<T>& y) noexcept(noexcept(x.swap(y)))
-+{
-+ x.swap(y);
-+}
-+
-+
-+template <class T>
-+constexpr optional<typename decay<T>::type> make_optional(T&& v)
-+{
-+ return optional<typename decay<T>::type>(constexpr_forward<T>(v));
-+}
-+
-+template <class X>
-+constexpr optional<X&> make_optional(reference_wrapper<X> v)
-+{
-+ return optional<X&>(v.get());
-+}
-+
-+
-+} // namespace experimental
-+} // namespace std
-+
-+namespace std
-+{
-+ template <typename T>
-+ struct hash<std::experimental::optional<T>>
-+ {
-+ typedef typename hash<T>::result_type result_type;
-+ typedef std::experimental::optional<T> argument_type;
-+
-+ constexpr result_type operator()(argument_type const& arg) const {
-+ return arg ? std::hash<T>{}(*arg) : result_type{};
-+ }
-+ };
-+
-+ template <typename T>
-+ struct hash<std::experimental::optional<T&>>
-+ {
-+ typedef typename hash<T>::result_type result_type;
-+ typedef std::experimental::optional<T&> argument_type;
-+
-+ constexpr result_type operator()(argument_type const& arg) const {
-+ return arg ? std::hash<T>{}(*arg) : result_type{};
-+ }
-+ };
-+}
-+
-+# undef TR2_OPTIONAL_REQUIRES
-+# undef TR2_OPTIONAL_ASSERTED_EXPRESSION
-+
-+# endif //___OPTIONAL_HPP___
-+
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-08 22:17:55 +0000