forked from OSchip/llvm-project
57 lines
1.8 KiB
C++
57 lines
1.8 KiB
C++
// -*- 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___FUNCTIONAL_DEFAULT_SEARCHER_H
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#define _LIBCPP___FUNCTIONAL_DEFAULT_SEARCHER_H
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#include <__algorithm/search.h>
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#include <__config>
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#include <__functional/operations.h>
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#include <__iterator/iterator_traits.h>
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#include <utility>
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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_BEGIN_NAMESPACE_STD
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#if _LIBCPP_STD_VER > 14
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// default searcher
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template<class _ForwardIterator, class _BinaryPredicate = equal_to<>>
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class _LIBCPP_TEMPLATE_VIS default_searcher {
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public:
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_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
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default_searcher(_ForwardIterator __f, _ForwardIterator __l,
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_BinaryPredicate __p = _BinaryPredicate())
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: __first_(__f), __last_(__l), __pred_(__p) {}
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template <typename _ForwardIterator2>
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_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
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pair<_ForwardIterator2, _ForwardIterator2>
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operator () (_ForwardIterator2 __f, _ForwardIterator2 __l) const
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{
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return _VSTD::__search(__f, __l, __first_, __last_, __pred_,
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typename iterator_traits<_ForwardIterator>::iterator_category(),
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typename iterator_traits<_ForwardIterator2>::iterator_category());
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}
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private:
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_ForwardIterator __first_;
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_ForwardIterator __last_;
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_BinaryPredicate __pred_;
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};
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#endif // _LIBCPP_STD_VER > 14
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_LIBCPP_END_NAMESPACE_STD
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#endif // _LIBCPP___FUNCTIONAL_DEFAULT_SEARCHER_H
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