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_MISMATCH_H 11 #define _LIBCPP___ALGORITHM_MISMATCH_H 12 13 #include <__config> 14 #include <__algorithm/comp.h> 15 #include <__iterator/iterator_traits.h> 16 #include <utility> 17 18 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 19 #pragma GCC system_header 20 #endif 21 22 _LIBCPP_PUSH_MACROS 23 #include <__undef_macros> 24 25 _LIBCPP_BEGIN_NAMESPACE_STD 26 27 template <class _InputIterator1, class _InputIterator2, class _BinaryPredicate> 28 _LIBCPP_NODISCARD_EXT inline _LIBCPP_INLINE_VISIBILITY 29 _LIBCPP_CONSTEXPR_AFTER_CXX17 pair<_InputIterator1, _InputIterator2> 30 mismatch(_InputIterator1 __first1, _InputIterator1 __last1, _InputIterator2 __first2, _BinaryPredicate __pred) { 31 for (; __first1 != __last1; ++__first1, (void)++__first2) 32 if (!__pred(*__first1, *__first2)) 33 break; 34 return pair<_InputIterator1, _InputIterator2>(__first1, __first2); 35 } 36 37 template <class _InputIterator1, class _InputIterator2> 38 _LIBCPP_NODISCARD_EXT inline _LIBCPP_INLINE_VISIBILITY 39 _LIBCPP_CONSTEXPR_AFTER_CXX17 pair<_InputIterator1, _InputIterator2> 40 mismatch(_InputIterator1 __first1, _InputIterator1 __last1, _InputIterator2 __first2) { 41 typedef typename iterator_traits<_InputIterator1>::value_type __v1; 42 typedef typename iterator_traits<_InputIterator2>::value_type __v2; 43 return _VSTD::mismatch(__first1, __last1, __first2, __equal_to<__v1, __v2>()); 44 } 45 46 #if _LIBCPP_STD_VER > 11 47 template <class _InputIterator1, class _InputIterator2, class _BinaryPredicate> 48 _LIBCPP_NODISCARD_EXT inline _LIBCPP_INLINE_VISIBILITY 49 _LIBCPP_CONSTEXPR_AFTER_CXX17 pair<_InputIterator1, _InputIterator2> 50 mismatch(_InputIterator1 __first1, _InputIterator1 __last1, _InputIterator2 __first2, _InputIterator2 __last2, 51 _BinaryPredicate __pred) { 52 for (; __first1 != __last1 && __first2 != __last2; ++__first1, (void)++__first2) 53 if (!__pred(*__first1, *__first2)) 54 break; 55 return pair<_InputIterator1, _InputIterator2>(__first1, __first2); 56 } 57 58 template <class _InputIterator1, class _InputIterator2> 59 _LIBCPP_NODISCARD_EXT inline _LIBCPP_INLINE_VISIBILITY 60 _LIBCPP_CONSTEXPR_AFTER_CXX17 pair<_InputIterator1, _InputIterator2> 61 mismatch(_InputIterator1 __first1, _InputIterator1 __last1, _InputIterator2 __first2, _InputIterator2 __last2) { 62 typedef typename iterator_traits<_InputIterator1>::value_type __v1; 63 typedef typename iterator_traits<_InputIterator2>::value_type __v2; 64 return _VSTD::mismatch(__first1, __last1, __first2, __last2, __equal_to<__v1, __v2>()); 65 } 66 #endif 67 68 _LIBCPP_END_NAMESPACE_STD 69 70 _LIBCPP_POP_MACROS 71 72 #endif // _LIBCPP___ALGORITHM_MISMATCH_H 73