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// <bits/erase_if.h> -*- C++ -*- |
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// Copyright (C) 2015-2021 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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|
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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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/** @file bits/erase_if.h |
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* This is an internal header file, included by other library headers. |
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* Do not attempt to use it directly. |
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*/ |
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#ifndef _GLIBCXX_ERASE_IF_H |
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#define _GLIBCXX_ERASE_IF_H 1 |
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#pragma GCC system_header |
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#if __cplusplus >= 201402L |
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#include <bits/c++config.h> |
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namespace std |
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{ |
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_GLIBCXX_BEGIN_NAMESPACE_VERSION |
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#if __cplusplus > 201703L |
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# define __cpp_lib_erase_if 202002L |
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#endif |
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|
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namespace __detail |
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{ |
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template<typename _Container, typename _Predicate> |
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typename _Container::size_type |
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__erase_nodes_if(_Container& __cont, _Predicate __pred) |
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{ |
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typename _Container::size_type __num = 0; |
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for (auto __iter = __cont.begin(), __last = __cont.end(); |
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__iter != __last;) |
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{ |
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if (__pred(*__iter)) |
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{ |
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__iter = __cont.erase(__iter); |
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++__num; |
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} |
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else |
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++__iter; |
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} |
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return __num; |
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} |
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} // namespace __detail |
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_GLIBCXX_END_NAMESPACE_VERSION |
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} // namespace std |
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#endif // C++14 |
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#endif // _GLIBCXX_ERASE_IF_H |
