text: // -*- C++ -*-
  
  // Copyright (C) 2005-2019 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/>.
  
  // 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 "as is" without express or implied
  // warranty.
  
  /**
   * @file point_iterator.hpp
   * Contains an iterator class returned by the tables' find and insert
   *     methods.
   */
  
  /// Find type iterator.
  class point_iterator_
  {
  public:
    /// Category.
    typedef trivial_iterator_tag iterator_category;
  
    /// Difference type.
    typedef trivial_iterator_difference_type difference_type;
  
    /// Iterator's value type.
    typedef value_type_ value_type;
  
    /// Iterator's pointer type.
    typedef pointer_ pointer;
  
    /// Iterator's const pointer type.
    typedef const_pointer_ const_pointer;
  
    /// Iterator's reference type.
    typedef reference_ reference;
  
    /// Iterator's const reference type.
    typedef const_reference_ const_reference;
  
    /// Default constructor.
    inline
    point_iterator_()
    : m_p_value(0)
    { }
  
    /// Copy constructor.
    inline
    point_iterator_(const point_iterator_& other)
    : m_p_value(other.m_p_value)
    { }
  
    /// Access.
    pointer
    operator->() const
    {
      _GLIBCXX_DEBUG_ASSERT(m_p_value != 0);
      return (m_p_value);
    }
  
    /// Access.
    reference
    operator*() const
    {
      _GLIBCXX_DEBUG_ASSERT(m_p_value != 0);
      return (*m_p_value);
    }
  
    /// Compares content to a different iterator object.
    bool
    operator==(const point_iterator_& other) const
    { return m_p_value == other.m_p_value; }
  
    /// Compares content to a different iterator object.
    bool
    operator==(const point_const_iterator_& other) const
    { return m_p_value == other.m_p_value; }
  
    /// Compares content to a different iterator object.
    bool
    operator!=(const point_iterator_& other) const
    { return m_p_value != other.m_p_value; }
  
    /// Compares content (negatively) to a different iterator object.
    bool
    operator!=(const point_const_iterator_& other) const
    { return m_p_value != other.m_p_value; }
  
    inline
    point_iterator_(pointer p_value) : m_p_value(p_value)
    { }
  
  protected:
    friend class point_const_iterator_;
  
    friend class PB_DS_CLASS_C_DEC;
  
  protected:
    pointer m_p_value;
  };
  