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The C and C++ Include Header Files

/usr/include/c++/13/experimental/string

$ cat -n /usr/include/c++/13/experimental/string

     1	// <experimental/string> -*- C++ -*-
     2	
     3	// Copyright (C) 2015-2023 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 experimental/string
    26	 *  This is a TS C++ Library header.
    27	 *  @ingroup libfund-ts
    28	 */
    29	
    30	#ifndef _GLIBCXX_EXPERIMENTAL_STRING
    31	#define _GLIBCXX_EXPERIMENTAL_STRING 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 <string>
    40	#include <algorithm>
    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 _CharT, typename _Traits, typename _Alloc,
    52		   typename _Predicate>
    53	    inline void
    54	    erase_if(basic_string<_CharT, _Traits, _Alloc>& __cont, _Predicate __pred)
    55	    {
    56	      __cont.erase(std::remove_if(__cont.begin(), __cont.end(), __pred),
    57			   __cont.end());
    58	    }
    59	
    60	  template<typename _CharT, typename _Traits, typename _Alloc, typename _Up>
    61	    inline void
    62	    erase(basic_string<_CharT, _Traits, _Alloc>& __cont, const _Up& __value)
    63	    {
    64	      __cont.erase(std::remove(__cont.begin(), __cont.end(), __value),
    65			   __cont.end());
    66	    }
    67	
    68	#if _GLIBCXX_USE_CXX11_ABI
    69	  namespace pmr
    70	  {
    71	    // basic_string using polymorphic allocator in namespace pmr
    72	    template<typename _CharT, typename _Traits = char_traits<_CharT>>
    73	      using basic_string =
    74		std::basic_string<_CharT, _Traits, polymorphic_allocator<_CharT>>;
    75	
    76	    // basic_string typedef names using polymorphic allocator in namespace
    77	    // std::experimental::pmr
    78	    typedef basic_string<char> string;
    79	#ifdef _GLIBCXX_USE_CHAR8_T
    80	    typedef basic_string<char8_t> u8string;
    81	#endif
    82	    typedef basic_string<char16_t> u16string;
    83	    typedef basic_string<char32_t> u32string;
    84	    typedef basic_string<wchar_t> wstring;
    85	
    86	  } // namespace pmr
    87	#endif
    88	} // namespace fundamentals_v2
    89	} // namespace experimental
    90	
    91	_GLIBCXX_END_NAMESPACE_VERSION
    92	} // namespace std
    93	
    94	#endif // C++14
    95	
    96	#endif // _GLIBCXX_EXPERIMENTAL_STRING
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