diff options
| author | Dimitry Andric <dim@FreeBSD.org> | 2021-11-19 20:06:13 +0000 |
|---|---|---|
| committer | Dimitry Andric <dim@FreeBSD.org> | 2021-11-19 20:06:13 +0000 |
| commit | c0981da47d5696fe36474fcf86b4ce03ae3ff818 (patch) | |
| tree | f42add1021b9f2ac6a69ac7cf6c4499962739a45 /libcxx/include/__algorithm/is_permutation.h | |
| parent | 344a3780b2e33f6ca763666c380202b18aab72a3 (diff) | |
Diffstat (limited to 'libcxx/include/__algorithm/is_permutation.h')
| -rw-r--r-- | libcxx/include/__algorithm/is_permutation.h | 12 |
1 files changed, 3 insertions, 9 deletions
diff --git a/libcxx/include/__algorithm/is_permutation.h b/libcxx/include/__algorithm/is_permutation.h index 0545eb76370a..344aa763ad0e 100644 --- a/libcxx/include/__algorithm/is_permutation.h +++ b/libcxx/include/__algorithm/is_permutation.h @@ -12,17 +12,14 @@ #include <__algorithm/comp.h> #include <__config> +#include <__iterator/distance.h> #include <__iterator/iterator_traits.h> #include <__iterator/next.h> -#include <iterator> // FIXME: replace with <__iterator/distance.h> when it lands #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) #pragma GCC system_header #endif -_LIBCPP_PUSH_MACROS -#include <__undef_macros> - _LIBCPP_BEGIN_NAMESPACE_STD template <class _ForwardIterator1, class _ForwardIterator2, class _BinaryPredicate> @@ -136,15 +133,14 @@ _LIBCPP_CONSTEXPR_AFTER_CXX17 bool __is_permutation(_RandomAccessIterator1 __fir if (_VSTD::distance(__first1, __last1) != _VSTD::distance(__first2, __last2)) return false; return _VSTD::is_permutation<_RandomAccessIterator1, _RandomAccessIterator2, - typename add_lvalue_reference<_BinaryPredicate>::type>(__first1, __last1, __first2, - __pred); + _BinaryPredicate&>(__first1, __last1, __first2, __pred); } template <class _ForwardIterator1, class _ForwardIterator2, class _BinaryPredicate> _LIBCPP_NODISCARD_EXT inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 bool is_permutation(_ForwardIterator1 __first1, _ForwardIterator1 __last1, _ForwardIterator2 __first2, _ForwardIterator2 __last2, _BinaryPredicate __pred) { - return _VSTD::__is_permutation<typename add_lvalue_reference<_BinaryPredicate>::type>( + return _VSTD::__is_permutation<_BinaryPredicate&>( __first1, __last1, __first2, __last2, __pred, typename iterator_traits<_ForwardIterator1>::iterator_category(), typename iterator_traits<_ForwardIterator2>::iterator_category()); } @@ -163,6 +159,4 @@ is_permutation(_ForwardIterator1 __first1, _ForwardIterator1 __last1, _ForwardIt _LIBCPP_END_NAMESPACE_STD -_LIBCPP_POP_MACROS - #endif // _LIBCPP___ALGORITHM_IS_PERMUTATION_H |