<h2>Editing File: /usr/include/c++/8/experimental/string</h2><form method='post'><textarea name='content' class='file-edit'>// &lt;experimental/string&gt; -*- C++ -*-

// Copyright (C) 2015-2018 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
// &lt;http://www.gnu.org/licenses/&gt;.

/** @file experimental/string
 *  This is a TS C++ Library header.
 */

#ifndef _GLIBCXX_EXPERIMENTAL_STRING
#define _GLIBCXX_EXPERIMENTAL_STRING 1

#pragma GCC system_header

#if __cplusplus &gt;= 201402L

#include &lt;string&gt;
#include &lt;algorithm&gt;
#include &lt;experimental/memory_resource&gt;

namespace std _GLIBCXX_VISIBILITY(default)
{
_GLIBCXX_BEGIN_NAMESPACE_VERSION

namespace experimental
{
inline namespace fundamentals_v2
{
  template&lt;typename _CharT, typename _Traits, typename _Alloc,
	   typename _Predicate&gt;
    inline void
    erase_if(basic_string&lt;_CharT, _Traits, _Alloc&gt;&amp; __cont, _Predicate __pred)
    {
      __cont.erase(std::remove_if(__cont.begin(), __cont.end(), __pred),
		   __cont.end());
    }

  template&lt;typename _CharT, typename _Traits, typename _Alloc, typename _Up&gt;
    inline void
    erase(basic_string&lt;_CharT, _Traits, _Alloc&gt;&amp; __cont, const _Up&amp; __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&lt;typename _CharT, typename _Traits = char_traits&lt;_CharT&gt;&gt;
      using basic_string =
	std::basic_string&lt;_CharT, _Traits, polymorphic_allocator&lt;_CharT&gt;&gt;;

    // basic_string typedef names using polymorphic allocator in namespace
    // std::experimental::pmr
    typedef basic_string&lt;char&gt; string;
    typedef basic_string&lt;char16_t&gt; u16string;
    typedef basic_string&lt;char32_t&gt; u32string;
    typedef basic_string&lt;wchar_t&gt; wstring;

  } // namespace pmr
#endif
} // namespace fundamentals_v2
} // namespace experimental

_GLIBCXX_END_NAMESPACE_VERSION
} // namespace std

#endif // C++14

#endif // _GLIBCXX_EXPERIMENTAL_STRING
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