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      1 // <experimental/string> -*- C++ -*-
      2 
      3 // Copyright (C) 2015-2022 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 #if __cplusplus >= 201402L
     36 
     37 #include <string>
     38 #include <algorithm>
     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 _CharT, typename _Traits, typename _Alloc,
     50 	   typename _Predicate>
     51     inline void
     52     erase_if(basic_string<_CharT, _Traits, _Alloc>& __cont, _Predicate __pred)
     53     {
     54       __cont.erase(std::remove_if(__cont.begin(), __cont.end(), __pred),
     55 		   __cont.end());
     56     }
     57 
     58   template<typename _CharT, typename _Traits, typename _Alloc, typename _Up>
     59     inline void
     60     erase(basic_string<_CharT, _Traits, _Alloc>& __cont, const _Up& __value)
     61     {
     62       __cont.erase(std::remove(__cont.begin(), __cont.end(), __value),
     63 		   __cont.end());
     64     }
     65 
     66 #if _GLIBCXX_USE_CXX11_ABI
     67   namespace pmr
     68   {
     69     // basic_string using polymorphic allocator in namespace pmr
     70     template<typename _CharT, typename _Traits = char_traits<_CharT>>
     71       using basic_string =
     72 	std::basic_string<_CharT, _Traits, polymorphic_allocator<_CharT>>;
     73 
     74     // basic_string typedef names using polymorphic allocator in namespace
     75     // std::experimental::pmr
     76     typedef basic_string<char> string;
     77 #ifdef _GLIBCXX_USE_CHAR8_T
     78     typedef basic_string<char8_t> u8string;
     79 #endif
     80     typedef basic_string<char16_t> u16string;
     81     typedef basic_string<char32_t> u32string;
     82     typedef basic_string<wchar_t> wstring;
     83 
     84   } // namespace pmr
     85 #endif
     86 } // namespace fundamentals_v2
     87 } // namespace experimental
     88 
     89 _GLIBCXX_END_NAMESPACE_VERSION
     90 } // namespace std
     91 
     92 #endif // C++14
     93 
     94 #endif // _GLIBCXX_EXPERIMENTAL_STRING
     95