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author | mikhnenko <mikhnenko@yandex-team.com> | 2023-09-20 11:01:13 +0300 |
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committer | mikhnenko <mikhnenko@yandex-team.com> | 2023-09-20 11:29:08 +0300 |
commit | f5b051f5e09f00265229985ba5fd47aa5c8959ff (patch) | |
tree | 7e11605ad566f09451623a1ac34cc644bae804ab /contrib/libs/cxxsupp/libcxxmsvc/include/__algorithm/max_element.h | |
parent | 8ed995cdfb22a3dfa790b0a6ae7750d9dc85db7b (diff) | |
download | ydb-f5b051f5e09f00265229985ba5fd47aa5c8959ff.tar.gz |
Split libcxx on msvc/other
Diffstat (limited to 'contrib/libs/cxxsupp/libcxxmsvc/include/__algorithm/max_element.h')
-rw-r--r-- | contrib/libs/cxxsupp/libcxxmsvc/include/__algorithm/max_element.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/contrib/libs/cxxsupp/libcxxmsvc/include/__algorithm/max_element.h b/contrib/libs/cxxsupp/libcxxmsvc/include/__algorithm/max_element.h new file mode 100644 index 0000000000..795ec8e1dd --- /dev/null +++ b/contrib/libs/cxxsupp/libcxxmsvc/include/__algorithm/max_element.h @@ -0,0 +1,58 @@ +//===----------------------------------------------------------------------===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// + +#ifndef _LIBCPP___ALGORITHM_MAX_ELEMENT_H +#define _LIBCPP___ALGORITHM_MAX_ELEMENT_H + +#include <__algorithm/comp.h> +#include <__algorithm/comp_ref_type.h> +#include <__config> +#include <__iterator/iterator_traits.h> + +#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) +# pragma GCC system_header +#endif + +_LIBCPP_BEGIN_NAMESPACE_STD + +template <class _Compare, class _ForwardIterator> +inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_AFTER_CXX11 _ForwardIterator +__max_element(_ForwardIterator __first, _ForwardIterator __last, _Compare __comp) +{ + static_assert(__is_cpp17_forward_iterator<_ForwardIterator>::value, + "std::max_element requires a ForwardIterator"); + if (__first != __last) + { + _ForwardIterator __i = __first; + while (++__i != __last) + if (__comp(*__first, *__i)) + __first = __i; + } + return __first; +} + +template <class _ForwardIterator, class _Compare> +_LIBCPP_NODISCARD_EXT inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_AFTER_CXX11 _ForwardIterator +max_element(_ForwardIterator __first, _ForwardIterator __last, _Compare __comp) +{ + typedef typename __comp_ref_type<_Compare>::type _Comp_ref; + return _VSTD::__max_element<_Comp_ref>(__first, __last, __comp); +} + + +template <class _ForwardIterator> +_LIBCPP_NODISCARD_EXT inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_AFTER_CXX11 _ForwardIterator +max_element(_ForwardIterator __first, _ForwardIterator __last) +{ + return _VSTD::max_element(__first, __last, + __less<typename iterator_traits<_ForwardIterator>::value_type>()); +} + +_LIBCPP_END_NAMESPACE_STD + +#endif // _LIBCPP___ALGORITHM_MAX_ELEMENT_H |