<h2>Editing File: /usr/include/c++/8/experimental/set</h2><form method='post'><textarea name='content' class='file-edit'>// &lt;experimental/set&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/set
 *  This is a TS C++ Library header.
 */

#ifndef _GLIBCXX_EXPERIMENTAL_SET
#define _GLIBCXX_EXPERIMENTAL_SET 1

#pragma GCC system_header

#if __cplusplus &gt;= 201402L

#include &lt;set&gt;
#include &lt;experimental/bits/erase_if.h&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 _Key, typename _Compare, typename _Alloc,
	   typename _Predicate&gt;
    inline void
    erase_if(set&lt;_Key, _Compare, _Alloc&gt;&amp; __cont, _Predicate __pred)
    { __detail::__erase_nodes_if(__cont, __pred); }

  template&lt;typename _Key, typename _Compare, typename _Alloc,
	   typename _Predicate&gt;
    inline void
    erase_if(multiset&lt;_Key, _Compare, _Alloc&gt;&amp; __cont, _Predicate __pred)
    { __detail::__erase_nodes_if(__cont, __pred); }

  namespace pmr {
    template&lt;typename _Key, typename _Compare = less&lt;_Key&gt;&gt;
      using set = std::set&lt;_Key, _Compare, polymorphic_allocator&lt;_Key&gt;&gt;;

    template&lt;typename _Key, typename _Compare = less&lt;_Key&gt;&gt;
      using multiset = std::multiset&lt;_Key, _Compare,
				     polymorphic_allocator&lt;_Key&gt;&gt;;
  } // namespace pmr

} // namespace fundamentals_v2
} // namespace experimental

_GLIBCXX_END_NAMESPACE_VERSION
} // namespace std

#endif // C++14

#endif // _GLIBCXX_EXPERIMENTAL_SET
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