The C and C++ Include Header Files

/usr/include/c++/11/deque


$ cat -n /usr/include/c++/11/deque

     1	// <deque> -*- C++ -*-
     2	
     3	// Copyright (C) 2001-2021 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	/*
    26	 *
    27	 * Copyright (c) 1994
    28	 * Hewlett-Packard Company
    29	 *
    30	 * Permission to use, copy, modify, distribute and sell this software
    31	 * and its documentation for any purpose is hereby granted without fee,
    32	 * provided that the above copyright notice appear in all copies and
    33	 * that both that copyright notice and this permission notice appear
    34	 * in supporting documentation.  Hewlett-Packard Company makes no
    35	 * representations about the suitability of this software for any
    36	 * purpose.  It is provided "as is" without express or implied warranty.
    37	 *
    38	 *
    39	 * Copyright (c) 1997
    40	 * Silicon Graphics Computer Systems, Inc.
    41	 *
    42	 * Permission to use, copy, modify, distribute and sell this software
    43	 * and its documentation for any purpose is hereby granted without fee,
    44	 * provided that the above copyright notice appear in all copies and
    45	 * that both that copyright notice and this permission notice appear
    46	 * in supporting documentation.  Silicon Graphics makes no
    47	 * representations about the suitability of this software for any
    48	 * purpose.  It is provided "as is" without express or implied warranty.
    49	 */
    50	
    51	/** @file include/deque
    52	 *  This is a Standard C++ Library header.
    53	 */
    54	
    55	#ifndef _GLIBCXX_DEQUE
    56	#define _GLIBCXX_DEQUE 1
    57	
    58	#pragma GCC system_header
    59	
    60	#include <bits/stl_algobase.h>
    61	#if __cplusplus > 201703L
    62	#  include <bits/stl_algo.h> // For remove and remove_if
    63	#endif // C++20
    64	#include <bits/allocator.h>
    65	#include <bits/stl_construct.h>
    66	#include <bits/stl_uninitialized.h>
    67	#include <bits/stl_deque.h>
    68	#include <bits/range_access.h>
    69	#include <bits/deque.tcc>
    70	
    71	#ifdef _GLIBCXX_DEBUG
    72	# include <debug/deque>
    73	#endif
    74	
    75	#if __cplusplus >= 201703L
    76	namespace std _GLIBCXX_VISIBILITY(default)
    77	{
    78	_GLIBCXX_BEGIN_NAMESPACE_VERSION
    79	  namespace pmr
    80	  {
    81	    template<typename _Tp> class polymorphic_allocator;
    82	    template<typename _Tp>
    83	      using deque = std::deque<_Tp, polymorphic_allocator<_Tp>>;
    84	  } // namespace pmr
    85	_GLIBCXX_END_NAMESPACE_VERSION
    86	} // namespace std
    87	#endif // C++17
    88	
    89	#if __cplusplus > 201703L
    90	namespace std _GLIBCXX_VISIBILITY(default)
    91	{
    92	_GLIBCXX_BEGIN_NAMESPACE_VERSION
    93	
    94	#define __cpp_lib_erase_if 202002L
    95	
    96	  template<typename _Tp, typename _Alloc, typename _Predicate>
    97	    inline typename deque<_Tp, _Alloc>::size_type
    98	    erase_if(deque<_Tp, _Alloc>& __cont, _Predicate __pred)
    99	    {
   100	      const auto __osz = __cont.size();
   101	      __cont.erase(std::remove_if(__cont.begin(), __cont.end(), __pred),
   102			   __cont.end());
   103	      return __osz - __cont.size();
   104	    }
   105	
   106	  template<typename _Tp, typename _Alloc, typename _Up>
   107	    inline typename deque<_Tp, _Alloc>::size_type
   108	    erase(deque<_Tp, _Alloc>& __cont, const _Up& __value)
   109	    {
   110	      const auto __osz = __cont.size();
   111	      __cont.erase(std::remove(__cont.begin(), __cont.end(), __value),
   112			   __cont.end());
   113	      return __osz - __cont.size();
   114	    }
   115	_GLIBCXX_END_NAMESPACE_VERSION
   116	} // namespace std
   117	#endif // C++20
   118	
   119	#endif /* _GLIBCXX_DEQUE */