The C and C++ Include Header Files

/usr/include/c++/11/experimental/map


$ cat -n /usr/include/c++/11/experimental/map

     1	// <experimental/map> -*- C++ -*-
     2	
     3	// Copyright (C) 2015-2021 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	    { std::__detail::__erase_nodes_if(__cont, __pred); }
    54	
    55	  template<typename _Key, typename _Tp, typename _Compare, typename _Alloc,
    56		   typename _Predicate>
    57	    inline void
    58	    erase_if(multimap<_Key, _Tp, _Compare, _Alloc>& __cont, _Predicate __pred)
    59	    { std::__detail::__erase_nodes_if(__cont, __pred); }
    60	
    61	  namespace pmr {
    62	    template<typename _Key, typename _Tp, typename _Compare = less<_Key>>
    63	      using map
    64	      = std::map<_Key, _Tp, _Compare,
    65			 polymorphic_allocator<pair<const _Key, _Tp>>>;
    66	
    67	    template<typename _Key, typename _Tp, typename _Compare = less<_Key>>
    68	      using multimap
    69	      = std::multimap<_Key, _Tp, _Compare,
    70			      polymorphic_allocator<pair<const _Key, _Tp>>>;
    71	  } // namespace pmr
    72	} // namespace fundamentals_v2
    73	} // namespace experimental
    74	
    75	_GLIBCXX_END_NAMESPACE_VERSION
    76	} // namespace std
    77	
    78	#endif // C++14
    79	
    80	#endif // _GLIBCXX_EXPERIMENTAL_MAP