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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___ALGORITHM_FOR_EACH_H
#define _LIBCPP___ALGORITHM_FOR_EACH_H
#include <__algorithm/for_each_segment.h>
#include <__config>
#include <__functional/identity.h>
#include <__iterator/segmented_iterator.h>
#include <__type_traits/enable_if.h>
#include <__type_traits/invoke.h>
#include <__utility/move.h>
#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 _InputIterator, class _Sent, class _Func, class _Proj>
_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 _InputIterator
__for_each(_InputIterator __first, _Sent __last, _Func& __f, _Proj& __proj) {
for (; __first != __last; ++__first)
std::__invoke(__f, std::__invoke(__proj, *__first));
return __first;
}
#ifndef _LIBCPP_CXX03_LANG
template <class _SegmentedIterator,
class _Func,
class _Proj,
__enable_if_t<__is_segmented_iterator<_SegmentedIterator>::value, int> = 0>
_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 _SegmentedIterator
__for_each(_SegmentedIterator __first, _SegmentedIterator __last, _Func& __func, _Proj& __proj) {
using __local_iterator_t = typename __segmented_iterator_traits<_SegmentedIterator>::__local_iterator;
std::__for_each_segment(__first, __last, [&](__local_iterator_t __lfirst, __local_iterator_t __llast) {
std::__for_each(__lfirst, __llast, __func, __proj);
});
return __last;
}
#endif // !_LIBCPP_CXX03_LANG
template <class _InputIterator, class _Func>
_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 _Func
for_each(_InputIterator __first, _InputIterator __last, _Func __f) {
__identity __proj;
std::__for_each(__first, __last, __f, __proj);
return __f;
}
_LIBCPP_END_NAMESPACE_STD
_LIBCPP_POP_MACROS
#endif // _LIBCPP___ALGORITHM_FOR_EACH_H
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