libstdc++-v3/include/experimental/forward_list

   1 // <experimental/forward_list> -*- C++ -*-
   2
   3 // Copyright (C) 2015-2023 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/forward_list
  26  *  This is a TS C++ Library header.
  27  *  @ingroup libfund-ts
  28  */
  29
  30 #ifndef _GLIBCXX_EXPERIMENTAL_FORWARD_LIST
  31 #define _GLIBCXX_EXPERIMENTAL_FORWARD_LIST 1
  32
  33 #pragma GCC system_header
  34
  35 #include <bits/requires_hosted.h> // experimental is currently omitted
  36
  37 #if __cplusplus >= 201402L
  38
  39 #include <forward_list>
  40 #include <experimental/memory_resource>
  41
  42 namespace std _GLIBCXX_VISIBILITY(default)
  43 {
  44 _GLIBCXX_BEGIN_NAMESPACE_VERSION
  45
  46 namespace experimental
  47 {
  48 inline namespace fundamentals_v2
  49 {
  50   template<typename _Tp, typename _Alloc, typename _Predicate>
  51     inline void
  52     erase_if(forward_list<_Tp, _Alloc>& __cont, _Predicate __pred)
  53     { __cont.remove_if(__pred); }
  54
  55   template<typename _Tp, typename _Alloc, typename _Up>
  56     inline void
  57     erase(forward_list<_Tp, _Alloc>& __cont, const _Up& __value)
  58     {
  59       using __elem_type = typename forward_list<_Tp, _Alloc>::value_type;
  60       std::experimental::erase_if(__cont, [&](__elem_type& __elem) {
  61           return __elem == __value;
  62       });
  63     }
  64
  65   namespace pmr {
  66     template<typename _Tp>
  67       using forward_list = std::forward_list<_Tp, polymorphic_allocator<_Tp>>;
  68   } // namespace pmr
  69
  70 } // namespace fundamentals_v2
  71 } // namespace experimental
  72
  73 _GLIBCXX_END_NAMESPACE_VERSION
  74 } // namespace std
  75
  76 #endif // C++14
  77
  78 #endif // _GLIBCXX_EXPERIMENTAL_FORWARD_LIST