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// -*- C++ -*-
//===----------------------------------------------------------------------===//
//
// 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___CXX03___ALGORITHM_FOR_EACH_N_H
#define _LIBCPP___CXX03___ALGORITHM_FOR_EACH_N_H
#include <__cxx03/__config>
#include <__cxx03/__utility/convert_to_integral.h>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
#if _LIBCPP_STD_VER >= 17
template <class _InputIterator, class _Size, class _Function>
inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 _InputIterator
for_each_n(_InputIterator __first, _Size __orig_n, _Function __f) {
typedef decltype(std::__convert_to_integral(__orig_n)) _IntegralSize;
_IntegralSize __n = __orig_n;
while (__n > 0) {
__f(*__first);
++__first;
--__n;
}
return __first;
}
#endif
_LIBCPP_END_NAMESPACE_STD
#endif // _LIBCPP___CXX03___ALGORITHM_FOR_EACH_N_H
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