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//===----------------------------------------------------------------------===//
//
// 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_IS_SORTED_UNTIL_H
#define _LIBCPP___ALGORITHM_IS_SORTED_UNTIL_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>
_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_AFTER_CXX17 _ForwardIterator
__is_sorted_until(_ForwardIterator __first, _ForwardIterator __last, _Compare __comp)
{
if (__first != __last)
{
_ForwardIterator __i = __first;
while (++__i != __last)
{
if (__comp(*__i, *__first))
return __i;
__first = __i;
}
}
return __last;
}
template <class _ForwardIterator, class _Compare>
_LIBCPP_NODISCARD_EXT inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_AFTER_CXX17 _ForwardIterator
is_sorted_until(_ForwardIterator __first, _ForwardIterator __last, _Compare __comp)
{
typedef typename __comp_ref_type<_Compare>::type _Comp_ref;
return _VSTD::__is_sorted_until<_Comp_ref>(__first, __last, __comp);
}
template<class _ForwardIterator>
_LIBCPP_NODISCARD_EXT inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_AFTER_CXX17 _ForwardIterator
is_sorted_until(_ForwardIterator __first, _ForwardIterator __last)
{
return _VSTD::is_sorted_until(__first, __last, __less<typename iterator_traits<_ForwardIterator>::value_type>());
}
_LIBCPP_END_NAMESPACE_STD
#endif // _LIBCPP___ALGORITHM_IS_SORTED_UNTIL_H
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