std::_Deque_iterator< _Tp, _Ref, _Ptr >(3)

NAME
std::_Deque_iterator< _Tp, _Ref, _Ptr > - A deque::iterator.

SYNOPSIS

#include <deque>

  Public Types
typedef __ptr_rebind< _Ptr, _Tp > _Elt_pointer
typedef __ptr_rebind< _Ptr, _Elt_pointer > _Map_pointer
typedef _Deque_iterator _Self
typedef __iter< const _Tp > const_iterator
typedef ptrdiff_t difference_type
typedef __iter< _Tp > iterator
typedef std::random_access_iterator_tag iterator_category
typedef _Ptr pointer
typedef _Ref reference
typedef size_t size_type
typedef _Tp value_type

  Public Member Functions
_Deque_iterator (_Elt_pointer __x, _Map_pointer __y) noexcept
_Deque_iterator (const _Deque_iterator &__x) noexcept
template<typename _Iter, typename = _Require<is_same<_Self, const_iterator>, is_same<_Iter, iterator>>> _Deque_iterator (const _Iter &__x) noexcept
iterator _M_const_cast () const noexcept
void _M_set_node (_Map_pointer __new_node) noexcept
reference operator* () const noexcept
_Self & operator++ () noexcept
_Self operator++ (int) noexcept
_Self & operator+= (difference_type __n) noexcept
_Self & operator-- () noexcept
_Self operator-- (int) noexcept
_Self & operator-= (difference_type __n) noexcept
pointer operator-> () const noexcept
_Deque_iterator & operator= (const _Deque_iterator &)=default
reference operator[] (difference_type __n) const noexcept

  Static Public Member Functions
static size_t _S_buffer_size () noexcept

  Public Attributes
_Elt_pointer _M_cur
_Elt_pointer _M_first
_Elt_pointer _M_last
_Map_pointer _M_node

  Friends
_Self operator+ (const _Self &__x, difference_type __n) noexcept
_Self operator+ (difference_type __n, const _Self &__x) noexcept
template<typename _RefR, typename _PtrR> difference_type operator- (const _Self &__x, const _Deque_iterator< _Tp, _RefR, _PtrR > &__y) noexcept
difference_type operator- (const _Self &__x, const _Self &__y) noexcept
_Self operator- (const _Self &__x, difference_type __n) noexcept
strong_ordering operator<=> (const _Self &__x, const _Self &__y) noexcept
template<typename _RefR, typename _PtrR> bool operator== (const _Self &__x, const _Deque_iterator< _Tp, _RefR, _PtrR > &__y) noexcept
bool operator== (const _Self &__x, const _Self &__y) noexcept

Detailed Description

  template<typename _Tp, typename _Ref, typename _Ptr>
struct std::_Deque_iterator< _Tp, _Ref, _Ptr >"A deque::iterator. Quite a bit of intelligence here. Much of the functionality of deque is actually passed off to this class. A deque holds two of these internally, marking its valid range. Access to elements is done as offsets of either of those two, relying on operator overloading in this class.

All the functions are op overloads except for _M_set_node.

Member Function Documentation

  template<typename _Tp, typename _Ref, typename _Ptr> void std::_Deque_iterator< _Tp, _Ref, _Ptr >::_M_set_node (_Map_pointer __new_node) [inline], [noexcept]
Prepares to traverse new_node. Sets everything except _M_cur, which should therefore be set by the caller immediately afterwards, based on _M_first and _M_last.

Author

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