xref: /openbsd-src/gnu/llvm/libcxx/include/__algorithm/iter_swap.h (revision 4bdff4bed0e3d54e55670334c7d0077db4170f86)
176d0caaeSpatrick //===----------------------------------------------------------------------===//
276d0caaeSpatrick //
376d0caaeSpatrick // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
476d0caaeSpatrick // See https://llvm.org/LICENSE.txt for license information.
576d0caaeSpatrick // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
676d0caaeSpatrick //
776d0caaeSpatrick //===----------------------------------------------------------------------===//
876d0caaeSpatrick 
976d0caaeSpatrick #ifndef _LIBCPP___ALGORITHM_ITER_SWAP_H
1076d0caaeSpatrick #define _LIBCPP___ALGORITHM_ITER_SWAP_H
1176d0caaeSpatrick 
1276d0caaeSpatrick #include <__config>
1376d0caaeSpatrick #include <__utility/declval.h>
1476d0caaeSpatrick #include <__utility/swap.h>
1576d0caaeSpatrick 
1676d0caaeSpatrick #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
1776d0caaeSpatrick #  pragma GCC system_header
1876d0caaeSpatrick #endif
1976d0caaeSpatrick 
2076d0caaeSpatrick _LIBCPP_BEGIN_NAMESPACE_STD
2176d0caaeSpatrick 
2276d0caaeSpatrick template <class _ForwardIterator1, class _ForwardIterator2>
iter_swap(_ForwardIterator1 __a,_ForwardIterator2 __b)23*4bdff4beSrobert inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX20 void iter_swap(_ForwardIterator1 __a,
2476d0caaeSpatrick                                                                               _ForwardIterator2 __b)
2576d0caaeSpatrick     //                                  _NOEXCEPT_(_NOEXCEPT_(swap(*__a, *__b)))
26*4bdff4beSrobert     _NOEXCEPT_(_NOEXCEPT_(swap(*std::declval<_ForwardIterator1>(), *std::declval<_ForwardIterator2>()))) {
2776d0caaeSpatrick   swap(*__a, *__b);
2876d0caaeSpatrick }
2976d0caaeSpatrick 
3076d0caaeSpatrick _LIBCPP_END_NAMESPACE_STD
3176d0caaeSpatrick 
3276d0caaeSpatrick #endif // _LIBCPP___ALGORITHM_ITER_SWAP_H
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