forked from OSchip/llvm-project
48 lines
1.3 KiB
C
48 lines
1.3 KiB
C
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// -*- C++ -*-
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//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef _LIBCPP___ALGORITHM_FOR_EACH_N_H
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#define _LIBCPP___ALGORITHM_FOR_EACH_N_H
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#include <__config>
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#include <type_traits>
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#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
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#pragma GCC system_header
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#endif
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_LIBCPP_PUSH_MACROS
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#include <__undef_macros>
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_LIBCPP_BEGIN_NAMESPACE_STD
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#if _LIBCPP_STD_VER > 14
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template <class _InputIterator, class _Size, class _Function>
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inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 _InputIterator for_each_n(_InputIterator __first,
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_Size __orig_n,
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_Function __f) {
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typedef decltype(_VSTD::__convert_to_integral(__orig_n)) _IntegralSize;
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_IntegralSize __n = __orig_n;
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while (__n > 0) {
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__f(*__first);
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++__first;
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--__n;
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}
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return __first;
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}
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#endif
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_LIBCPP_END_NAMESPACE_STD
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_LIBCPP_POP_MACROS
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#endif // _LIBCPP___ALGORITHM_FOR_EACH_N_H
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