forked from boostorg/iterator
88 lines
1.9 KiB
ReStructuredText
88 lines
1.9 KiB
ReStructuredText
::
|
|
|
|
template <class Iterator>
|
|
class reverse_iterator
|
|
{
|
|
public:
|
|
reverse_iterator() {}
|
|
explicit reverse_iterator(Iterator x) ;
|
|
|
|
template<class OtherIterator>
|
|
reverse_iterator(
|
|
reverse_iterator<OtherIterator> const& r
|
|
, typename enable_if_convertible<OtherIterator, Iterator>::type* = 0 // exposition
|
|
);
|
|
Iterator base() const;
|
|
reference operator*() const;
|
|
reverse_iterator& operator++();
|
|
private:
|
|
Iterator m_iterator; // exposition
|
|
};
|
|
|
|
|
|
``reverse_iterator`` requirements
|
|
.................................
|
|
|
|
The base ``Iterator`` must be a model of Bidirectional Traversal
|
|
Iterator and Readable Iterator.
|
|
|
|
|
|
``reverse_iterator`` models
|
|
...........................
|
|
|
|
``reverse_iterator`` models Bidirectional Traversal Iterator and
|
|
Readable Iterator. In addition, ``reverse_iterator`` models the same
|
|
standard iterator access concepts that the ``Iterator``
|
|
argument models.
|
|
|
|
|
|
|
|
``reverse_iterator`` operations
|
|
...............................
|
|
|
|
``reverse_iterator();``
|
|
|
|
:Requires: ``Iterator`` must be Default Constructible.
|
|
:Returns: An instance of ``reverse_iterator`` with ``m_iterator``
|
|
default constructed.
|
|
|
|
``explicit reverse_iterator(Iterator x);``
|
|
|
|
:Returns: An instance of ``reverse_iterator`` with a
|
|
``m_iterator`` constructed from ``x``.
|
|
|
|
|
|
::
|
|
|
|
template<class OtherIterator>
|
|
reverse_iterator(
|
|
reverse_iterator<OtherIterator> const& r
|
|
, typename enable_if_convertible<OtherIterator, Iterator>::type* = 0 // exposition
|
|
);
|
|
|
|
:Requires: ``OtherIterator`` is implicitly convertible to ``Iterator``.
|
|
:Returns: An instance of ``reverse_iterator`` that is a copy of ``r``.
|
|
|
|
|
|
|
|
|
|
``Iterator base() const;``
|
|
|
|
:Returns: ``m_iterator``
|
|
|
|
|
|
``reference operator*() const;``
|
|
|
|
:Effects:
|
|
|
|
::
|
|
|
|
Iterator tmp = m_iterator;
|
|
return *..tmp;
|
|
|
|
|
|
``reverse_iterator& operator++();``
|
|
|
|
:Effects: ``--m_iterator``
|
|
:Returns: ``*this``
|