1fe6060f1SDimitry Andric // -*- C++ -*- 2fe6060f1SDimitry Andric //===----------------------------------------------------------------------===// 3fe6060f1SDimitry Andric // 4fe6060f1SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 5fe6060f1SDimitry Andric // See https://llvm.org/LICENSE.txt for license information. 6fe6060f1SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 7fe6060f1SDimitry Andric // 8fe6060f1SDimitry Andric //===----------------------------------------------------------------------===// 9fe6060f1SDimitry Andric 10fe6060f1SDimitry Andric #ifndef _LIBCPP___ALGORITHM_FIND_FIRST_OF_H 11fe6060f1SDimitry Andric #define _LIBCPP___ALGORITHM_FIND_FIRST_OF_H 12fe6060f1SDimitry Andric 13fe6060f1SDimitry Andric #include <__algorithm/comp.h> 1404eeddc0SDimitry Andric #include <__config> 15fe6060f1SDimitry Andric #include <__iterator/iterator_traits.h> 16fe6060f1SDimitry Andric 17fe6060f1SDimitry Andric #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 18fe6060f1SDimitry Andric # pragma GCC system_header 19fe6060f1SDimitry Andric #endif 20fe6060f1SDimitry Andric 21fe6060f1SDimitry Andric _LIBCPP_BEGIN_NAMESPACE_STD 22fe6060f1SDimitry Andric 23fe6060f1SDimitry Andric template <class _ForwardIterator1, class _ForwardIterator2, class _BinaryPredicate> 24cb14a3feSDimitry Andric _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 _ForwardIterator1 __find_first_of_ce( 25cb14a3feSDimitry Andric _ForwardIterator1 __first1, 26fe6060f1SDimitry Andric _ForwardIterator1 __last1, 27fe6060f1SDimitry Andric _ForwardIterator2 __first2, 2861cfbce3SDimitry Andric _ForwardIterator2 __last2, 2961cfbce3SDimitry Andric _BinaryPredicate&& __pred) { 30fe6060f1SDimitry Andric for (; __first1 != __last1; ++__first1) 31fe6060f1SDimitry Andric for (_ForwardIterator2 __j = __first2; __j != __last2; ++__j) 32fe6060f1SDimitry Andric if (__pred(*__first1, *__j)) 33fe6060f1SDimitry Andric return __first1; 34fe6060f1SDimitry Andric return __last1; 35fe6060f1SDimitry Andric } 36fe6060f1SDimitry Andric 37fe6060f1SDimitry Andric template <class _ForwardIterator1, class _ForwardIterator2, class _BinaryPredicate> 38*0fca6ea1SDimitry Andric _LIBCPP_NODISCARD inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 _ForwardIterator1 find_first_of( 39cb14a3feSDimitry Andric _ForwardIterator1 __first1, 40cb14a3feSDimitry Andric _ForwardIterator1 __last1, 41cb14a3feSDimitry Andric _ForwardIterator2 __first2, 42cb14a3feSDimitry Andric _ForwardIterator2 __last2, 43cb14a3feSDimitry Andric _BinaryPredicate __pred) { 445f757f3fSDimitry Andric return std::__find_first_of_ce(__first1, __last1, __first2, __last2, __pred); 45fe6060f1SDimitry Andric } 46fe6060f1SDimitry Andric 47fe6060f1SDimitry Andric template <class _ForwardIterator1, class _ForwardIterator2> 48*0fca6ea1SDimitry Andric _LIBCPP_NODISCARD inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 _ForwardIterator1 find_first_of( 49fe6060f1SDimitry Andric _ForwardIterator1 __first1, _ForwardIterator1 __last1, _ForwardIterator2 __first2, _ForwardIterator2 __last2) { 50bdd1243dSDimitry Andric return std::__find_first_of_ce(__first1, __last1, __first2, __last2, __equal_to()); 51fe6060f1SDimitry Andric } 52fe6060f1SDimitry Andric 53fe6060f1SDimitry Andric _LIBCPP_END_NAMESPACE_STD 54fe6060f1SDimitry Andric 55fe6060f1SDimitry Andric #endif // _LIBCPP___ALGORITHM_FIND_FIRST_OF_H 56