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// <bits/erase_if.h> -*- C++ -*-
// Copyright (C) 2015-2022 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/>.
/** @file bits/erase_if.h
* This is an internal header file, included by other library headers.
* Do not attempt to use it directly.
*/
#ifndef _GLIBCXX_ERASE_IF_H
#define _GLIBCXX_ERASE_IF_H 1
#pragma GCC system_header
#if __cplusplus >= 201402L
#include <bits/c++config.h>
namespace std
{
_GLIBCXX_BEGIN_NAMESPACE_VERSION
#if __cplusplus > 201703L
# define __cpp_lib_erase_if 202002L
#endif
namespace __detail
{
template<typename _Container, typename _UnsafeContainer,
typename _Predicate>
typename _Container::size_type
__erase_nodes_if(_Container& __cont, _UnsafeContainer& __ucont,
_Predicate __pred)
{
typename _Container::size_type __num = 0;
for (auto __iter = __ucont.begin(), __last = __ucont.end();
__iter != __last;)
{
if (__pred(*__iter))
{
__iter = __cont.erase(__iter);
++__num;
}
else
++__iter;
}
return __num;
}
} // namespace __detail
_GLIBCXX_END_NAMESPACE_VERSION
} // namespace std
#endif // C++14
#endif // _GLIBCXX_ERASE_IF_H
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