1fe6060f1SDimitry Andric //===----------------------------------------------------------------------===// 2fe6060f1SDimitry Andric // 3fe6060f1SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4fe6060f1SDimitry Andric // See https://llvm.org/LICENSE.txt for license information. 5fe6060f1SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6fe6060f1SDimitry Andric // 7fe6060f1SDimitry Andric //===----------------------------------------------------------------------===// 8fe6060f1SDimitry Andric 9fe6060f1SDimitry Andric #ifndef _LIBCPP___ALGORITHM_ITER_SWAP_H 10fe6060f1SDimitry Andric #define _LIBCPP___ALGORITHM_ITER_SWAP_H 11fe6060f1SDimitry Andric 12fe6060f1SDimitry Andric #include <__config> 13fe6060f1SDimitry Andric #include <__utility/declval.h> 14fe6060f1SDimitry Andric #include <__utility/swap.h> 15fe6060f1SDimitry Andric 16fe6060f1SDimitry Andric #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 17fe6060f1SDimitry Andric # pragma GCC system_header 18fe6060f1SDimitry Andric #endif 19fe6060f1SDimitry Andric 20fe6060f1SDimitry Andric _LIBCPP_BEGIN_NAMESPACE_STD 21fe6060f1SDimitry Andric 22fe6060f1SDimitry Andric template <class _ForwardIterator1, class _ForwardIterator2> 23*cb14a3feSDimitry Andric inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 void iter_swap(_ForwardIterator1 __a, _ForwardIterator2 __b) 24fe6060f1SDimitry Andric // _NOEXCEPT_(_NOEXCEPT_(swap(*__a, *__b))) 25bdd1243dSDimitry Andric _NOEXCEPT_(_NOEXCEPT_(swap(*std::declval<_ForwardIterator1>(), *std::declval<_ForwardIterator2>()))) { 26fe6060f1SDimitry Andric swap(*__a, *__b); 27fe6060f1SDimitry Andric } 28fe6060f1SDimitry Andric 29fe6060f1SDimitry Andric _LIBCPP_END_NAMESPACE_STD 30fe6060f1SDimitry Andric 31fe6060f1SDimitry Andric #endif // _LIBCPP___ALGORITHM_ITER_SWAP_H 32