// -*- 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 // . // 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 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 #include namespace __gnu_pbds { namespace detail { /// Const point-type iterator. template class binary_heap_point_const_iterator_ { protected: typedef typename _Alloc::template rebind::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::other::pointer pointer; /// Iterator's const pointer type. typedef typename _Alloc::template rebind::other::const_pointer const_pointer; /// Iterator's reference type. typedef typename _Alloc::template rebind::other::reference reference; /// Iterator's const reference type. typedef typename _Alloc::template rebind::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_& other) : m_p_e(other.m_p_e) { } /// Access. inline const_pointer operator->() const { _GLIBCXX_DEBUG_ASSERT(m_p_e != 0); return to_ptr(integral_constant()); } /// Access. inline const_reference operator*() const { _GLIBCXX_DEBUG_ASSERT(m_p_e != 0); return *to_ptr(integral_constant()); } /// Compares content to a different iterator object. inline bool operator==(const binary_heap_point_const_iterator_& 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_& 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