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      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       _GLIBCXX_STD_C::map<_Key, _Tp, _Compare, _Alloc>& __ucont = __cont;
     55       std::__detail::__erase_nodes_if(__cont, __ucont, __pred);
     56     }
     57 
     58   template<typename _Key, typename _Tp, typename _Compare, typename _Alloc,
     59 	   typename _Predicate>
     60     inline void
     61     erase_if(multimap<_Key, _Tp, _Compare, _Alloc>& __cont, _Predicate __pred)
     62     {
     63       _GLIBCXX_STD_C::multimap<_Key, _Tp, _Compare, _Alloc>& __ucont = __cont;
     64       std::__detail::__erase_nodes_if(__cont, __ucont, __pred);
     65     }
     66 
     67   namespace pmr {
     68     template<typename _Key, typename _Tp, typename _Compare = less<_Key>>
     69       using map
     70       = std::map<_Key, _Tp, _Compare,
     71 		 polymorphic_allocator<pair<const _Key, _Tp>>>;
     72 
     73     template<typename _Key, typename _Tp, typename _Compare = less<_Key>>
     74       using multimap
     75       = std::multimap<_Key, _Tp, _Compare,
     76 		      polymorphic_allocator<pair<const _Key, _Tp>>>;
     77   } // namespace pmr
     78 } // namespace fundamentals_v2
     79 } // namespace experimental
     80 
     81 _GLIBCXX_END_NAMESPACE_VERSION
     82 } // namespace std
     83 
     84 #endif // C++14
     85 
     86 #endif // _GLIBCXX_EXPERIMENTAL_MAP
     87