contrib/llvm-project/libcxx/include/__algorithm/swap_ranges.h

   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
  15 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
  16 #  pragma GCC system_header
  17 #endif
  18
  19 _LIBCPP_BEGIN_NAMESPACE_STD
  20
  21 template <class _ForwardIterator1, class _ForwardIterator2>
  22 inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 _ForwardIterator2
  23 swap_ranges(_ForwardIterator1 __first1, _ForwardIterator1 __last1, _ForwardIterator2 __first2) {
  24   for (; __first1 != __last1; ++__first1, (void)++__first2)
  25     swap(*__first1, *__first2);
  26   return __first2;
  27 }
  28
  29 _LIBCPP_END_NAMESPACE_STD
  30
  31 #endif // _LIBCPP___ALGORITHM_SWAP_RANGES_H