<h2>Editing File: /usr/include/c++/8/ext/pb_ds/detail/trie_policy/sample_trie_access_traits.hpp</h2><form method='post'><textarea name='content' class='file-edit'>// -*- C++ -*-

// Copyright (C) 2005-2018 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;.

// Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.

// Permission to use, copy, modify, sell, and distribute this software
// is hereby granted without fee, provided that the above copyright
// notice appears in all copies, and that both that copyright notice
// and this permission notice appear in supporting documentation. None
// of the above authors, nor IBM Haifa Research Laboratories, make any
// representation about the suitability of this software for any
// purpose. It is provided &quot;as is&quot; without express or implied
// warranty.

/**
 * @file trie_policy/sample_trie_access_traits.hpp
 * Contains a sample probe policy.
 */

#ifndef PB_DS_SAMPLE_TRIE_E_ACCESS_TRAITS_HPP
#define PB_DS_SAMPLE_TRIE_E_ACCESS_TRAITS_HPP

namespace __gnu_pbds
{
  /// A sample trie element access traits.
  struct sample_trie_access_traits
  {
    typedef std::size_t 		       		size_type;
    typedef std::string 			       	key_type;

    typedef typename _Alloc::template rebind&lt;key_type&gt;	__rebind_k;
    typedef typename __rebind_k::other::const_reference	key_const_reference;
    typedef std::string::const_iterator 		const_iterator;

    /// Element type.
    typedef char 				       	e_type;

    enum
      {
	max_size = 4
      };

    /// Returns a const_iterator to the first element of r_key.
    inline static const_iterator
    begin(key_const_reference);

    /// Returns a const_iterator to the after-last element of r_key.
    inline static const_iterator
    end(key_const_reference);

    /// Maps an element to a position.
    inline static size_type
    e_pos(e_type);
  };
}
#endif // #ifndef PB_DS_SAMPLE_TRIE_E_ACCESS_TRAITS_HPP
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