libstdc++-v3/include/experimental/map

   1 // <experimental/map> -*- C++ -*-
   2
   3 // Copyright (C) 2015-2022 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/map
  26  *  This is a TS C++ Library header.
  27  *  @ingroup libfund-ts
  28  */
  29
  30 #ifndef _GLIBCXX_EXPERIMENTAL_MAP
  31 #define _GLIBCXX_EXPERIMENTAL_MAP 1
  32
  33 #pragma GCC system_header
  34
  35 #if __cplusplus >= 201402L
  36
  37 #include <map>
  38 #include <bits/erase_if.h>
  39 #include <experimental/memory_resource>
  40
  41 namespace std _GLIBCXX_VISIBILITY(default)
  42 {
  43 _GLIBCXX_BEGIN_NAMESPACE_VERSION
  44
  45 namespace experimental
  46 {
  47 inline namespace fundamentals_v2
  48 {
  49   template<typename _Key, typename _Tp, typename _Compare, typename _Alloc,
  50            typename _Predicate>
  51     inline void
  52     erase_if(map<_Key, _Tp, _Compare, _Alloc>& __cont, _Predicate __pred)
  53     {
  54       const _GLIBCXX_STD_C::map<_Key, _Tp, _Compare, _Alloc>&
  55         __ucont = __cont;
  56       std::__detail::__erase_nodes_if(__cont, __ucont, __pred);
  57     }
  58
  59   template<typename _Key, typename _Tp, typename _Compare, typename _Alloc,
  60            typename _Predicate>
  61     inline void
  62     erase_if(multimap<_Key, _Tp, _Compare, _Alloc>& __cont, _Predicate __pred)
  63     {
  64       const _GLIBCXX_STD_C::multimap<_Key, _Tp, _Compare, _Alloc>&
  65         __ucont = __cont;
  66       std::__detail::__erase_nodes_if(__cont, __ucont, __pred);
  67     }
  68
  69   namespace pmr {
  70     template<typename _Key, typename _Tp, typename _Compare = less<_Key>>
  71       using map
  72       = std::map<_Key, _Tp, _Compare,
  73                  polymorphic_allocator<pair<const _Key, _Tp>>>;
  74
  75     template<typename _Key, typename _Tp, typename _Compare = less<_Key>>
  76       using multimap
  77       = std::multimap<_Key, _Tp, _Compare,
  78                       polymorphic_allocator<pair<const _Key, _Tp>>>;
  79   } // namespace pmr
  80 } // namespace fundamentals_v2
  81 } // namespace experimental
  82
  83 _GLIBCXX_END_NAMESPACE_VERSION
  84 } // namespace std
  85
  86 #endif // C++14
  87
  88 #endif // _GLIBCXX_EXPERIMENTAL_MAP