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Edit File: erase_if.h
// <bits/erase_if.h> -*- C++ -*- // Copyright (C) 2015-2021 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 _Predicate> typename _Container::size_type __erase_nodes_if(_Container& __cont, _Predicate __pred) { typename _Container::size_type __num = 0; for (auto __iter = __cont.begin(), __last = __cont.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