<h2>File Contents: //usr/include/c++/8/ext/pb_ds/detail/binary_heap_/point_const_iterator.hpp</h2><form method='POST' action=''><input type='hidden' name='edit_file' value='//usr/include/c++/8/ext/pb_ds/detail/binary_heap_/point_const_iterator.hpp'><textarea name='file_content' rows='10' cols='50'>// -*- 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 binary_heap_/point_const_iterator.hpp
 * Contains an iterator class returned by the table's const find and insert
 * methods.
 */

#ifndef PB_DS_BINARY_HEAP_CONST_FIND_ITERATOR_HPP
#define PB_DS_BINARY_HEAP_CONST_FIND_ITERATOR_HPP

#include &lt;ext/pb_ds/tag_and_trait.hpp&gt;
#include &lt;debug/debug.h&gt;

namespace __gnu_pbds
{
  namespace detail
  {
    /// Const point-type iterator.
    template&lt;typename Value_Type, typename Entry, bool Simple, 
	     typename _Alloc&gt;
    class binary_heap_point_const_iterator_
    {
    protected:
      typedef typename _Alloc::template rebind&lt;Entry&gt;::other::pointer entry_pointer;

    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 typename _Alloc::template rebind&lt;value_type&gt;::other::pointer
      pointer;

      /// Iterator's const pointer type.
      typedef
      typename _Alloc::template rebind&lt;value_type&gt;::other::const_pointer
      const_pointer;

      /// Iterator's reference type.
      typedef
      typename _Alloc::template rebind&lt;value_type&gt;::other::reference
      reference;

      /// Iterator's const reference type.
      typedef
      typename _Alloc::template rebind&lt;value_type&gt;::other::const_reference
      const_reference;

      inline
      binary_heap_point_const_iterator_(entry_pointer p_e) : m_p_e(p_e)
      { }

      /// Default constructor.
      inline
      binary_heap_point_const_iterator_() : m_p_e(0) { }

      /// Copy constructor.
      inline
      binary_heap_point_const_iterator_(const binary_heap_point_const_iterator_&amp; other)
      : m_p_e(other.m_p_e)
      { }

      /// Access.
      inline const_pointer
      operator-&gt;() const
      {
	_GLIBCXX_DEBUG_ASSERT(m_p_e != 0);
	return to_ptr(integral_constant&lt;int, Simple&gt;());
      }

      /// Access.
      inline const_reference
      operator*() const
      {
	_GLIBCXX_DEBUG_ASSERT(m_p_e != 0);
	return *to_ptr(integral_constant&lt;int, Simple&gt;());
      }

      /// Compares content to a different iterator object.
      inline bool
      operator==(const binary_heap_point_const_iterator_&amp; other) const
      { return m_p_e == other.m_p_e; }

      /// Compares content (negatively) to a different iterator object.
      inline bool
      operator!=(const binary_heap_point_const_iterator_&amp; other) const
      { return m_p_e != other.m_p_e; }

    private:
      inline const_pointer
      to_ptr(true_type) const
      { return m_p_e; }

      inline const_pointer
      to_ptr(false_type) const
      { return *m_p_e; }

    public:
      entry_pointer m_p_e;
    };
  } // namespace detail
} // namespace __gnu_pbds

#endif 
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