contrib/gcc-8.0/libstdc++-v3/include/experimental/bits/erase_if.h

   1 // <experimental/bits/erase_if.h> -*- C++ -*-
   2
   3 // Copyright (C) 2015-2018 Free Software Foundation, Inc.
   4 //
   5 // This file is part of the GNU ISO C++ Library.  This library is free
   6 // software; you can redistribute it and/or modify it under the
   7 // terms of the GNU General Public License as published by the
   8 // Free Software Foundation; either version 3, or (at your option)
   9 // any later version.
  10
  11 // This library is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 // GNU General Public License for more details.
  15
  16 // Under Section 7 of GPL version 3, you are granted additional
  17 // permissions described in the GCC Runtime Library Exception, version
  18 // 3.1, as published by the Free Software Foundation.
  19
  20 // You should have received a copy of the GNU General Public License and
  21 // a copy of the GCC Runtime Library Exception along with this program;
  22 // see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
  23 // <http://www.gnu.org/licenses/>.
  24
  25 /** @file experimental/bits/erase_if.h
  26  *  This is an internal header file, included by other library headers.
  27  *  Do not attempt to use it directly.
  28  */
  29
  30 #ifndef _GLIBCXX_EXPERIMENTAL_ERASE_IF_H
  31 #define _GLIBCXX_EXPERIMENTAL_ERASE_IF_H 1
  32
  33 #pragma GCC system_header
  34
  35 #if __cplusplus >= 201402L
  36 #include <experimental/bits/lfts_config.h>
  37
  38 namespace std
  39 {
  40 _GLIBCXX_BEGIN_NAMESPACE_VERSION
  41
  42 namespace experimental
  43 {
  44 inline namespace fundamentals_v2
  45 {
  46   namespace __detail
  47   {
  48     template<typename _Container, typename _Predicate>
  49       void
  50       __erase_nodes_if(_Container& __cont, _Predicate __pred)
  51       {
  52         for (auto __iter = __cont.begin(), __last = __cont.end();
  53              __iter != __last;)
  54         {
  55           if (__pred(*__iter))
  56             __iter = __cont.erase(__iter);
  57           else
  58             ++__iter;
  59         }
  60       }
  61   } // namespace __detail
  62 } // inline namespace fundamentals_v2
  63 } // namespace experimental
  64
  65 _GLIBCXX_END_NAMESPACE_VERSION
  66 } // namespace std
  67
  68 #endif // C++14
  69
  70 #endif // _GLIBCXX_EXPERIMENTAL_ERASE_IF_H