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The C and C++ Include Header Files

/usr/include/c++/13/forward_list


$ cat -n /usr/include/c++/13/forward_list

     1	// <forward_list> -*- C++ -*-
     2	
     3	// Copyright (C) 2008-2023 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 include/forward_list
    26	 *  This is a Standard C++ Library header.
    27	 */
    28	
    29	#ifndef _GLIBCXX_FORWARD_LIST
    30	#define _GLIBCXX_FORWARD_LIST 1
    31	
    32	#pragma GCC system_header
    33	
    34	#include <bits/requires_hosted.h> // containers
    35	
    36	#if __cplusplus < 201103L
    37	# include <bits/c++0x_warning.h>
    38	#else
    39	
    40	#include <bits/forward_list.h>
    41	#include <bits/range_access.h>
    42	#include <bits/forward_list.tcc>
    43	
    44	#ifdef _GLIBCXX_DEBUG
    45	# include <debug/forward_list>
    46	#endif
    47	
    48	#if __cplusplus >= 201703L
    49	#include <bits/memory_resource.h>
    50	namespace std _GLIBCXX_VISIBILITY(default)
    51	{
    52	_GLIBCXX_BEGIN_NAMESPACE_VERSION
    53	  namespace pmr
    54	  {
    55	    template<typename _Tp>
    56	      using forward_list = std::forward_list<_Tp, polymorphic_allocator<_Tp>>;
    57	  } // namespace pmr
    58	_GLIBCXX_END_NAMESPACE_VERSION
    59	} // namespace std
    60	#endif // C++17
    61	
    62	#if __cplusplus > 201703L
    63	namespace std _GLIBCXX_VISIBILITY(default)
    64	{
    65	_GLIBCXX_BEGIN_NAMESPACE_VERSION
    66	
    67	#define __cpp_lib_erase_if 202002L
    68	
    69	  template<typename _Tp, typename _Alloc, typename _Predicate>
    70	    inline typename forward_list<_Tp, _Alloc>::size_type 
    71	    erase_if(forward_list<_Tp, _Alloc>& __cont, _Predicate __pred)
    72	    { return __cont.remove_if(__pred); }
    73	
    74	  template<typename _Tp, typename _Alloc, typename _Up>
    75	    inline typename forward_list<_Tp, _Alloc>::size_type
    76	    erase(forward_list<_Tp, _Alloc>& __cont, const _Up& __value)
    77	    {
    78	      using __elem_type = typename forward_list<_Tp, _Alloc>::value_type;
    79	      return std::erase_if(__cont, [&](__elem_type& __elem) {
    80		  return __elem == __value;
    81	      });
    82	    }
    83	_GLIBCXX_END_NAMESPACE_VERSION
    84	} // namespace std
    85	#endif // C++20
    86	
    87	#endif // C++11
    88	
    89	#endif // _GLIBCXX_FORWARD_LIST