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| 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_FIND_FIRST_OF_H |
| 11 | #define _LIBCPP___ALGORITHM_FIND_FIRST_OF_H |
| 12 | |
| 13 | #include <__algorithm/comp.h> |
| 14 | #include <__config> |
| 15 | |
| 16 | #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) |
| 17 | # pragma GCC system_header |
| 18 | #endif |
| 19 | |
| 20 | _LIBCPP_BEGIN_NAMESPACE_STD |
| 21 | |
| 22 | template <class _ForwardIterator1, class _ForwardIterator2, class _BinaryPredicate> |
| 23 | _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 _ForwardIterator1 __find_first_of_ce( |
| 24 | _ForwardIterator1 __first1, |
| 25 | _ForwardIterator1 __last1, |
| 26 | _ForwardIterator2 __first2, |
| 27 | _ForwardIterator2 __last2, |
| 28 | _BinaryPredicate&& __pred) { |
| 29 | for (; __first1 != __last1; ++__first1) |
| 30 | for (_ForwardIterator2 __j = __first2; __j != __last2; ++__j) |
| 31 | if (__pred(*__first1, *__j)) |
| 32 | return __first1; |
| 33 | return __last1; |
| 34 | } |
| 35 | |
| 36 | template <class _ForwardIterator1, class _ForwardIterator2, class _BinaryPredicate> |
| 37 | [[__nodiscard__]] inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 _ForwardIterator1 find_first_of( |
| 38 | _ForwardIterator1 __first1, |
| 39 | _ForwardIterator1 __last1, |
| 40 | _ForwardIterator2 __first2, |
| 41 | _ForwardIterator2 __last2, |
| 42 | _BinaryPredicate __pred) { |
| 43 | return std::__find_first_of_ce(__first1, __last1, __first2, __last2, __pred); |
| 44 | } |
| 45 | |
| 46 | template <class _ForwardIterator1, class _ForwardIterator2> |
| 47 | [[__nodiscard__]] inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 _ForwardIterator1 find_first_of( |
| 48 | _ForwardIterator1 __first1, _ForwardIterator1 __last1, _ForwardIterator2 __first2, _ForwardIterator2 __last2) { |
| 49 | return std::__find_first_of_ce(__first1, __last1, __first2, __last2, __equal_to()); |
| 50 | } |
| 51 | |
| 52 | _LIBCPP_END_NAMESPACE_STD |
| 53 | |
| 54 | #endif // _LIBCPP___ALGORITHM_FIND_FIRST_OF_H |
| 55 |
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