1 // -*- C++ -*-
2 //===----------------------------------------------------------------------===//
3 //
4 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
5 // See https://llvm.org/LICENSE.txt for license information.
6 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7 //
8 //===----------------------------------------------------------------------===//
9 
10 #ifndef _LIBCPP___ALGORITHM_SEARCH_H
11 #define _LIBCPP___ALGORITHM_SEARCH_H
12 
13 #include <__config>
14 #include <__algorithm/comp.h>
15 #include <__functional/search.h>
16 #include <__iterator/iterator_traits.h>
17 #include <type_traits>
18 
19 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
20 #pragma GCC system_header
21 #endif
22 
23 _LIBCPP_PUSH_MACROS
24 #include <__undef_macros>
25 
26 _LIBCPP_BEGIN_NAMESPACE_STD
27 
28 template <class _ForwardIterator1, class _ForwardIterator2, class _BinaryPredicate>
29 _LIBCPP_NODISCARD_EXT inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 _ForwardIterator1
30 search(_ForwardIterator1 __first1, _ForwardIterator1 __last1, _ForwardIterator2 __first2, _ForwardIterator2 __last2,
31        _BinaryPredicate __pred) {
32   return _VSTD::__search<typename add_lvalue_reference<_BinaryPredicate>::type>(
33              __first1, __last1, __first2, __last2, __pred,
34              typename iterator_traits<_ForwardIterator1>::iterator_category(),
35              typename iterator_traits<_ForwardIterator2>::iterator_category()).first;
36 }
37 
38 template <class _ForwardIterator1, class _ForwardIterator2>
39 _LIBCPP_NODISCARD_EXT inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 _ForwardIterator1
40 search(_ForwardIterator1 __first1, _ForwardIterator1 __last1, _ForwardIterator2 __first2, _ForwardIterator2 __last2) {
41   typedef typename iterator_traits<_ForwardIterator1>::value_type __v1;
42   typedef typename iterator_traits<_ForwardIterator2>::value_type __v2;
43   return _VSTD::search(__first1, __last1, __first2, __last2, __equal_to<__v1, __v2>());
44 }
45 
46 #if _LIBCPP_STD_VER > 14
47 template <class _ForwardIterator, class _Searcher>
48 _LIBCPP_NODISCARD_EXT _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 _ForwardIterator
49 search(_ForwardIterator __f, _ForwardIterator __l, const _Searcher& __s) {
50   return __s(__f, __l).first;
51 }
52 
53 #endif
54 
55 _LIBCPP_END_NAMESPACE_STD
56 
57 _LIBCPP_POP_MACROS
58 
59 #endif // _LIBCPP___ALGORITHM_SEARCH_H
60