binary_heap_/point_const_iterator.hpp
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// -*- C++ -*-
// Copyright (C) 2005-2021 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
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// 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
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// 3.1, as published by the Free Software Foundation.
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// 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
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/**
* @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 <ext/pb_ds/tag_and_trait.hpp>
#include <debug/debug.h>
namespace __gnu_pbds
{
namespace detail
{
/// Const point-type iterator.
template<typename Value_Type, typename Entry, bool Simple,
typename _Alloc>
class binary_heap_point_const_iterator_
{
protected:
typedef typename rebind_traits<_Alloc, Entry>::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 rebind_traits<_Alloc, value_type>::pointer pointer;
/// Iterator's const pointer type.
typedef typename rebind_traits<_Alloc, value_type>::const_pointer
const_pointer;
/// Iterator's reference type.
typedef typename rebind_traits<_Alloc, value_type>::reference
reference;
/// Iterator's const reference type.
typedef typename rebind_traits<_Alloc, value_type>::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<int, Simple>());
}
/// Access.
inline const_reference
operator*() const
{
_GLIBCXX_DEBUG_ASSERT(m_p_e != 0);
return *to_ptr(integral_constant<int, Simple>());
}
/// 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
debug.h
tag_and_trait.hpp
std::false_type
integral_constant< bool, false > false_type
The type used as a compile-time boolean with false value.
Definition: type_traits:86
__gnu_pbds::trivial_iterator_difference_type
void trivial_iterator_difference_type
Prohibit moving trivial iterators.
Definition: tag_and_trait.hpp:79
__gnu_pbds
GNU extensions for policy-based data structures for public use.
Definition: assoc_container.hpp:52
__gnu_pbds::trivial_iterator_tag
A trivial iterator tag. Signifies that the iterators has none of std::iterators's movement abilities.
Definition: tag_and_trait.hpp:76
__gnu_pbds::detail::rebind_traits
Consistent API for accessing allocator-related types.
Definition: types_traits.hpp:140
__gnu_pbds::detail::binary_heap_point_const_iterator_
Const point-type iterator.
Definition: binary_heap_/point_const_iterator.hpp:56
__gnu_pbds::detail::binary_heap_point_const_iterator_::operator==
bool operator==(const binary_heap_point_const_iterator_ &other) const
Compares content to a different iterator object.
Definition: binary_heap_/point_const_iterator.hpp:117
__gnu_pbds::detail::binary_heap_point_const_iterator_::iterator_category
trivial_iterator_tag iterator_category
Category.
Definition: binary_heap_/point_const_iterator.hpp:62
__gnu_pbds::detail::binary_heap_point_const_iterator_::pointer
rebind_traits< _Alloc, value_type >::pointer pointer
Iterator's pointer type.
Definition: binary_heap_/point_const_iterator.hpp:71
__gnu_pbds::detail::binary_heap_point_const_iterator_::binary_heap_point_const_iterator_
binary_heap_point_const_iterator_(const binary_heap_point_const_iterator_ &other)
Copy constructor.
Definition: binary_heap_/point_const_iterator.hpp:95
__gnu_pbds::detail::binary_heap_point_const_iterator_::operator*
const_reference operator*() const
Access.
Definition: binary_heap_/point_const_iterator.hpp:109
__gnu_pbds::detail::binary_heap_point_const_iterator_::binary_heap_point_const_iterator_
binary_heap_point_const_iterator_()
Default constructor.
Definition: binary_heap_/point_const_iterator.hpp:91
__gnu_pbds::detail::binary_heap_point_const_iterator_::operator->
const_pointer operator->() const
Access.
Definition: binary_heap_/point_const_iterator.hpp:101
__gnu_pbds::detail::binary_heap_point_const_iterator_::const_reference
rebind_traits< _Alloc, value_type >::const_reference const_reference
Iterator's const reference type.
Definition: binary_heap_/point_const_iterator.hpp:83
__gnu_pbds::detail::binary_heap_point_const_iterator_::operator!=
bool operator!=(const binary_heap_point_const_iterator_ &other) const
Compares content (negatively) to a different iterator object.
Definition: binary_heap_/point_const_iterator.hpp:122
__gnu_pbds::detail::binary_heap_point_const_iterator_::const_pointer
rebind_traits< _Alloc, value_type >::const_pointer const_pointer
Iterator's const pointer type.
Definition: binary_heap_/point_const_iterator.hpp:75
__gnu_pbds::detail::binary_heap_point_const_iterator_::value_type
Value_Type value_type
Iterator's value type.
Definition: binary_heap_/point_const_iterator.hpp:68
__gnu_pbds::detail::binary_heap_point_const_iterator_::difference_type
trivial_iterator_difference_type difference_type
Difference type.
Definition: binary_heap_/point_const_iterator.hpp:65
__gnu_pbds::detail::binary_heap_point_const_iterator_::reference
rebind_traits< _Alloc, value_type >::reference reference
Iterator's reference type.
Definition: binary_heap_/point_const_iterator.hpp:79