1 //===----------------------------------------------------------------------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #ifndef _LIBCPP___ALGORITHM_SWAP_RANGES_H 10 #define _LIBCPP___ALGORITHM_SWAP_RANGES_H 11 12 #include <__config> 13 #include <__utility/swap.h> 14 #include <type_traits> 15 16 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 17 #pragma GCC system_header 18 #endif 19 20 _LIBCPP_PUSH_MACROS 21 #include <__undef_macros> 22 23 _LIBCPP_BEGIN_NAMESPACE_STD 24 25 template <class _ForwardIterator1, class _ForwardIterator2> 26 inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 _ForwardIterator2 27 swap_ranges(_ForwardIterator1 __first1, _ForwardIterator1 __last1, _ForwardIterator2 __first2) { 28 for (; __first1 != __last1; ++__first1, (void)++__first2) 29 swap(*__first1, *__first2); 30 return __first2; 31 } 32 33 _LIBCPP_END_NAMESPACE_STD 34 35 _LIBCPP_POP_MACROS 36 37 #endif // _LIBCPP___ALGORITHM_SWAP_RANGES_H 38