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      1 // <experimental/string> -*- C++ -*-
      2 
      3 // Copyright (C) 2015-2017 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  */
     28 
     29 #ifndef _GLIBCXX_EXPERIMENTAL_STRING
     30 #define _GLIBCXX_EXPERIMENTAL_STRING 1
     31 
     32 #pragma GCC system_header
     33 
     34 #if __cplusplus >= 201402L
     35 
     36 #include <string>
     37 #include <algorithm>
     38 #include <experimental/memory_resource>
     39 
     40 namespace std _GLIBCXX_VISIBILITY(default)
     41 {
     42 namespace experimental
     43 {
     44 inline namespace fundamentals_v2
     45 {
     46 _GLIBCXX_BEGIN_NAMESPACE_VERSION
     47 
     48   template<typename _CharT, typename _Traits, typename _Alloc,
     49 	   typename _Predicate>
     50     inline void
     51     erase_if(basic_string<_CharT, _Traits, _Alloc>& __cont, _Predicate __pred)
     52     {
     53       __cont.erase(std::remove_if(__cont.begin(), __cont.end(), __pred),
     54 		   __cont.end());
     55     }
     56 
     57   template<typename _CharT, typename _Traits, typename _Alloc, typename _Up>
     58     inline void
     59     erase(basic_string<_CharT, _Traits, _Alloc>& __cont, const _Up& __value)
     60     {
     61       __cont.erase(std::remove(__cont.begin(), __cont.end(), __value),
     62 		   __cont.end());
     63     }
     64 
     65 _GLIBCXX_END_NAMESPACE_VERSION
     66 
     67 #if _GLIBCXX_USE_CXX11_ABI
     68 namespace pmr {
     69 _GLIBCXX_BEGIN_NAMESPACE_VERSION
     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   typedef basic_string<char16_t> u16string;
     80   typedef basic_string<char32_t> u32string;
     81   typedef basic_string<wchar_t> wstring;
     82 
     83 _GLIBCXX_END_NAMESPACE_VERSION
     84 } // namespace pmr
     85 #endif
     86 } // namespace fundamentals_v2
     87 } // namespace experimental
     88 } // namespace std
     89 
     90 #endif // C++14
     91 
     92 #endif // _GLIBCXX_EXPERIMENTAL_STRING
     93