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Public Types | Public Member Functions | Friends

# QMap< Key, T >::const_iterator Class Reference

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## Detailed Description

### template<class Key, class T>
class QMap< Key, T >::const_iterator

Definition at line 298 of file qmap.h.

`#include <qmap.h>`

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## Public Types
typedef std::bidirectional_iterator_tag | iterator_category
typedef qptrdiff | difference_type
typedef T | value_type
typedef const T * | pointer
typedef const T & | reference
## Public Member Functions
| operator QMapData::Node * () const
| const_iterator ()
| const_iterator (QMapData::Node *node)
| const_iterator (const iterator &o)
const Key & | key () const
const T & | value () const
const T & | operator* () const
const T * | operator-> () const
bool | operator== (const const_iterator &o) const
bool | operator!= (const const_iterator &o) const
const_iterator & | operator++ ()
const_iterator | operator++ (int)
const_iterator & | operator-- ()
const_iterator | operator-- (int)
const_iterator | operator+ (int j) const
const_iterator | operator- (int j) const
const_iterator & | operator+= (int j)
const_iterator & | operator-= (int j)
## Friends
class | iterator

## Member Typedef Documentation

typedef std::bidirectional_iterator_tag iterator_category

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Definition at line 304 of file qmap.h.

typedef qptrdiff difference_type

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Definition at line 305 of file qmap.h.

typedef T value_type

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Definition at line 306 of file qmap.h.

typedef const T* pointer

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Definition at line 307 of file qmap.h.

typedef const T& reference

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Definition at line 308 of file qmap.h.

## Constructor & Destructor Documentation

const_iterator | ( |  | ) | `[inline]`

Definition at line 312 of file qmap.h.

    : i(0) { }

const_iterator | ( | QMapData::Node * | node | ) | `[inline]`

Definition at line 313 of file qmap.h.

    : i(node) { }

const_iterator | ( | const iterator & | o | ) | `[inline]`

Definition at line 317 of file qmap.h.

            { i = o.i; }

## Member Function Documentation

operator QMapData::Node * | ( |  | ) | const `[inline]`

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Definition at line 311 of file qmap.h.

    { return i; }

const Key& key | ( |  | ) | const `[inline]`

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Definition at line 321 of file qmap.h.

    { return concrete(i)->key; }

const T& value | ( |  | ) | const `[inline]`

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Definition at line 322 of file qmap.h.

    { return concrete(i)->value; }

const T& operator* | ( |  | ) | const `[inline]`

Definition at line 326 of file qmap.h.

    { return concrete(i)->value; }

const T* operator-> | ( | void |  | ) | const `[inline]`

Definition at line 327 of file qmap.h.

    { return &concrete(i)->value; }

bool operator== | ( | const const_iterator & | o | ) | const `[inline]`

Definition at line 328 of file qmap.h.

    { return i == o.i; }

bool operator!= | ( | const const_iterator & | o | ) | const `[inline]`

Definition at line 329 of file qmap.h.

    { return i != o.i; }

const_iterator& operator++ | ( |  | ) | `[inline]`

Definition at line 331 of file qmap.h.

                                                {
                i = i->forward[0];
                return *this;
            }

const_iterator operator++ | ( | int |  | ) | `[inline]`

Definition at line 335 of file qmap.h.

                                                  {
                const_iterator r = *this;
                i = i->forward[0];
                return r;
            }

const_iterator& operator-- | ( |  | ) | `[inline]`

Definition at line 340 of file qmap.h.

                                                {
                i = i->backward;
                return *this;
            }

const_iterator operator-- | ( | int |  | ) | `[inline]`

Definition at line 344 of file qmap.h.

                                                  {
                const_iterator r = *this;
                i = i->backward;
                return r;
            }

const_iterator operator+ | ( | int | j | ) | const `[inline]`

Definition at line 349 of file qmap.h.

            { const_iterator r = *this; if (j > 0) while (j--) ++r; else while (j++) --r; return r; }

const_iterator operator- | ( | int | j | ) | const `[inline]`

Definition at line 351 of file qmap.h.

    { return operator+(-j); }

const_iterator& operator+= | ( | int | j | ) | `[inline]`

Definition at line 352 of file qmap.h.

    { return *this = *this + j; }

const_iterator& operator-= | ( | int | j | ) | `[inline]`

Definition at line 353 of file qmap.h.

    { return *this = *this - j; }

## Friends And Related Function Documentation

friend class iterator `[friend]`

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Definition at line 300 of file qmap.h.

The documentation for this class was generated from the following file:

- QtCore/qmap.h

QMap< Key, T >::const_iterator QMap< Key, T >::const_iterator QMap< Key, T >::const_iterator QMap< Key, T >::const_iterator QMap< Key, T >::const_iterator QMap< Key, T >::const_iterator QMap< Key, T >::const_iterator QMap< Key, T >::const_iterator QMap< Key, T >::const_iterator QMap< Key, T >::const_iterator
QMap< Key, T >::const_iterator QMap< Key, T >::const_iterator QMap< Key, T >::const_iterator QMap< Key, T >::const_iterator QMap< Key, T >::const_iterator QMap< Key, T >::const_iterator QMap< Key, T >::const_iterator QMap< Key, T >::const_iterator QMap< Key, T >::const_iterator QMap< Key, T >::const_iterator