experimental/string

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// <experimental/string> -*- C++ -*-
 
// Copyright (C) 2015-2025 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library.  This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
 
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
 
// Under Section 7 of GPL version 3, you are granted additional
// permissions described in the GCC Runtime Library Exception, version
// 3.1, as published by the Free Software Foundation.
 
// You should have received a copy of the GNU General Public License and
// a copy of the GCC Runtime Library Exception along with this program;
// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
// <http://www.gnu.org/licenses/>.
 
/** @file experimental/string
 *  This is a TS C++ Library header.
 *  @ingroup libfund-ts
 */
 
#ifndef _GLIBCXX_EXPERIMENTAL_STRING
#define _GLIBCXX_EXPERIMENTAL_STRING 1
 
#ifdef _GLIBCXX_SYSHDR
#pragma GCC system_header
#endif
 
#include <bits/requires_hosted.h> // experimental is currently omitted
 
#if __cplusplus >= 201402L
 
#include <string>
#include <algorithm>
#include <experimental/memory_resource>
 
namespace std _GLIBCXX_VISIBILITY(default)
{
_GLIBCXX_BEGIN_NAMESPACE_VERSION
 
namespace experimental
{
inline namespace fundamentals_v2
{
  template<typename _CharT, typename _Traits, typename _Alloc,
           typename _Predicate>
    inline void
    erase_if(basic_string<_CharT, _Traits, _Alloc>& __cont, _Predicate __pred)
    {
      __cont.erase(std::remove_if(__cont.begin(), __cont.end(), __pred),
                   __cont.end());
    }
 
  template<typename _CharT, typename _Traits, typename _Alloc, typename _Up>
    inline void
    erase(basic_string<_CharT, _Traits, _Alloc>& __cont, const _Up& __value)
    {
      __cont.erase(std::remove(__cont.begin(), __cont.end(), __value),
                   __cont.end());
    }
 
#if _GLIBCXX_USE_CXX11_ABI
  namespace pmr
  {
    // basic_string using polymorphic allocator in namespace pmr
    template<typename _CharT, typename _Traits = char_traits<_CharT>>
      using basic_string =
        std::basic_string<_CharT, _Traits, polymorphic_allocator<_CharT>>;
 
    // basic_string typedef names using polymorphic allocator in namespace
    // std::experimental::pmr
    typedef basic_string<char> string;
#ifdef _GLIBCXX_USE_CHAR8_T
    typedef basic_string<char8_t> u8string;
#endif
    typedef basic_string<char16_t> u16string;
    typedef basic_string<char32_t> u32string;
    typedef basic_string<wchar_t> wstring;
 
  } // namespace pmr
#endif
} // namespace fundamentals_v2
} // namespace experimental
 
_GLIBCXX_END_NAMESPACE_VERSION
} // namespace std
 
#endif // C++14
 
#endif // _GLIBCXX_EXPERIMENTAL_STRING