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      1 // <experimental/string> -*- 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/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
     97