72 lines
2.1 KiB
C++
72 lines
2.1 KiB
C++
// Tag type for yielding ranges rather than values in <generator> -*- C++ -*-
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// Copyright (C) 2023-2024 Free Software Foundation, Inc.
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 3, or (at your option)
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// any later version.
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// Under Section 7 of GPL version 3, you are granted additional
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// permissions described in the GCC Runtime Library Exception, version
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// 3.1, as published by the Free Software Foundation.
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// You should have received a copy of the GNU General Public License and
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// a copy of the GCC Runtime Library Exception along with this program;
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// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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// <http://www.gnu.org/licenses/>.
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#ifndef _GLIBCXX_BITS_ELEMENTS_OF
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#define _GLIBCXX_BITS_ELEMENTS_OF
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#pragma GCC system_header
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#include <bits/c++config.h>
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#include <bits/version.h>
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// C++ >= 23 && __glibcxx_coroutine
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#if defined(__glibcxx_ranges) && defined(__glibcxx_generator)
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#include <bits/ranges_base.h>
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#include <bits/memoryfwd.h>
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#if _GLIBCXX_HOSTED
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# include <bits/allocator.h> // likely desirable if hosted.
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#endif // HOSTED
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namespace std _GLIBCXX_VISIBILITY(default)
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{
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_GLIBCXX_BEGIN_NAMESPACE_VERSION
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namespace ranges
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{
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/**
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* @ingroup ranges
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* @since C++23
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* @{
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*/
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template<range _Range, typename _Alloc = allocator<byte>>
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struct elements_of
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{
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[[no_unique_address]] _Range range;
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[[no_unique_address]] _Alloc allocator = _Alloc();
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};
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template<typename _Range, typename _Alloc = allocator<byte>>
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elements_of(_Range&&, _Alloc = _Alloc())
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-> elements_of<_Range&&, _Alloc>;
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/// @}
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}
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_GLIBCXX_END_NAMESPACE_VERSION
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} // namespace std
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#endif // __glibcxx_generator && __glibcxx_ranges
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#endif // _GLIBCXX_BITS_ELEMENTS_OF
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