libstdc++
erase_if.h
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00001 // <experimental/bits/erase_if.h> -*- C++ -*-
00002 
00003 // Copyright (C) 2015-2018 Free Software Foundation, Inc.
00004 //
00005 // This file is part of the GNU ISO C++ Library.  This library is free
00006 // software; you can redistribute it and/or modify it under the
00007 // terms of the GNU General Public License as published by the
00008 // Free Software Foundation; either version 3, or (at your option)
00009 // any later version.
00010 
00011 // This library is distributed in the hope that it will be useful,
00012 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00013 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00014 // GNU General Public License for more details.
00015 
00016 // Under Section 7 of GPL version 3, you are granted additional
00017 // permissions described in the GCC Runtime Library Exception, version
00018 // 3.1, as published by the Free Software Foundation.
00019 
00020 // You should have received a copy of the GNU General Public License and
00021 // a copy of the GCC Runtime Library Exception along with this program;
00022 // see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
00023 // <http://www.gnu.org/licenses/>.
00024 
00025 /** @file experimental/bits/erase_if.h
00026  *  This is an internal header file, included by other library headers.
00027  *  Do not attempt to use it directly.
00028  */
00029 
00030 #ifndef _GLIBCXX_EXPERIMENTAL_ERASE_IF_H
00031 #define _GLIBCXX_EXPERIMENTAL_ERASE_IF_H 1
00032 
00033 #pragma GCC system_header
00034 
00035 #if __cplusplus >= 201402L
00036 #include <experimental/bits/lfts_config.h>
00037 
00038 namespace std
00039 {
00040 _GLIBCXX_BEGIN_NAMESPACE_VERSION
00041 
00042 namespace experimental
00043 {
00044 inline namespace fundamentals_v2
00045 {
00046   namespace __detail
00047   {
00048     template<typename _Container, typename _Predicate>
00049       void
00050       __erase_nodes_if(_Container& __cont, _Predicate __pred)
00051       {
00052         for (auto __iter = __cont.begin(), __last = __cont.end();
00053              __iter != __last;)
00054         {
00055           if (__pred(*__iter))
00056             __iter = __cont.erase(__iter);
00057           else
00058             ++__iter;
00059         }
00060       }
00061   } // namespace __detail
00062 } // inline namespace fundamentals_v2
00063 } // namespace experimental
00064 
00065 _GLIBCXX_END_NAMESPACE_VERSION
00066 } // namespace std
00067 
00068 #endif // C++14
00069 
00070 #endif // _GLIBCXX_EXPERIMENTAL_ERASE_IF_H