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      1 // <experimental/map> -*- C++ -*-
      2 
      3 // Copyright (C) 2015-2024 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 #include <bits/requires_hosted.h> // experimental is currently omitted
     36 
     37 #if __cplusplus >= 201402L
     38 
     39 #include <map>
     40 #include <bits/erase_if.h>
     41 #include <experimental/memory_resource>
     42 
     43 namespace std _GLIBCXX_VISIBILITY(default)
     44 {
     45 _GLIBCXX_BEGIN_NAMESPACE_VERSION
     46 
     47 namespace experimental
     48 {
     49 inline namespace fundamentals_v2
     50 {
     51   template<typename _Key, typename _Tp, typename _Compare, typename _Alloc,
     52 	   typename _Predicate>
     53     inline void
     54     erase_if(map<_Key, _Tp, _Compare, _Alloc>& __cont, _Predicate __pred)
     55     {
     56       _GLIBCXX_STD_C::map<_Key, _Tp, _Compare, _Alloc>& __ucont = __cont;
     57       std::__detail::__erase_nodes_if(__cont, __ucont, __pred);
     58     }
     59 
     60   template<typename _Key, typename _Tp, typename _Compare, typename _Alloc,
     61 	   typename _Predicate>
     62     inline void
     63     erase_if(multimap<_Key, _Tp, _Compare, _Alloc>& __cont, _Predicate __pred)
     64     {
     65       _GLIBCXX_STD_C::multimap<_Key, _Tp, _Compare, _Alloc>& __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
     89