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// Tag type for yielding ranges rather than values in <generator> -*- C++ -*-
// Copyright (C) 2023-2025 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// Under Section 7 of GPL version 3, you are granted additional
// permissions described in the GCC Runtime Library Exception, version
// 3.1, as published by the Free Software Foundation.
// You should have received a copy of the GNU General Public License and
// a copy of the GCC Runtime Library Exception along with this program;
// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
// <http://www.gnu.org/licenses/>.
#ifndef _GLIBCXX_BITS_ELEMENTS_OF
#define _GLIBCXX_BITS_ELEMENTS_OF
#ifdef _GLIBCXX_SYSHDR
#pragma GCC system_header
#endif
#include <bits/c++config.h>
#include <bits/version.h>
// C++ >= 23 && __glibcxx_coroutine
#if defined(__glibcxx_ranges) && defined(__glibcxx_generator)
#include <bits/ranges_base.h>
#include <bits/memoryfwd.h>
#if _GLIBCXX_HOSTED
# include <bits/allocator.h> // likely desirable if hosted.
#endif // HOSTED
namespace std _GLIBCXX_VISIBILITY(default)
{
_GLIBCXX_BEGIN_NAMESPACE_VERSION
namespace ranges
{
/**
* @ingroup ranges
* @since C++23
* @{
*/
template<range _Range, typename _Alloc = allocator<byte>>
struct elements_of
{
[[no_unique_address]] _Range range;
[[no_unique_address]] _Alloc allocator = _Alloc();
};
template<typename _Range, typename _Alloc = allocator<byte>>
elements_of(_Range&&, _Alloc = _Alloc())
-> elements_of<_Range&&, _Alloc>;
/// @}
}
_GLIBCXX_END_NAMESPACE_VERSION
} // namespace std
#endif // __glibcxx_generator && __glibcxx_ranges
#endif // _GLIBCXX_BITS_ELEMENTS_OF
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