const_iterator Class Reference

Member Function Documentation

const_iterator::const_iterator ()

Constructs an uninitialized iterator.

Functions like operator*() and operator++() should not be called on an uninitialized iterator. Use operator=() to assign a value to it before using it.

See also QSet::begin() and QSet::end().

const_iterator::const_iterator ( const const_iterator & other )

Constructs a copy of other.

const_iterator::const_iterator ( const iterator & other )

This is an overloaded function.

Constructs a copy of other.

This function was introduced in Qt 4.2.

bool const_iterator::operator!= ( const const_iterator & other ) const

Returns true if other points to a different item than this iterator; otherwise returns false.

See also operator==().

const T & const_iterator::operator* () const

Returns a reference to the current item.

See also operator->().

const_iterator const_iterator::operator+ ( int j ) const

Returns an iterator to the item at j positions forward from this iterator. (If j is negative, the iterator goes backward.)

This operation can be slow for large j values.

See also operator-().

const_iterator & const_iterator::operator++ ()

The prefix ++ operator (++it) advances the iterator to the next item in the set and returns an iterator to the new current item.

Calling this function on QSet::constEnd() leads to undefined results.

See also operator--().

const_iterator const_iterator::operator++ ( int )

This is an overloaded function.

The postfix ++ operator (it++) advances the iterator to the next item in the set and returns an iterator to the previously current item.

const_iterator & const_iterator::operator+= ( int j )

Advances the iterator by j items. (If j is negative, the iterator goes backward.)

This operation can be slow for large j values.

See also operator-=() and operator+().

const_iterator const_iterator::operator- ( int j ) const

Returns an iterator to the item at j positions backward from this iterator. (If j is negative, the iterator goes forward.)

This operation can be slow for large j values.

See also operator+().

const_iterator & const_iterator::operator-- ()

The prefix -- operator (--it) makes the preceding item current and returns an iterator to the new current item.

Calling this function on QSet::begin() leads to undefined results.

See also operator++().

const_iterator const_iterator::operator-- ( int )

This is an overloaded function.

The postfix -- operator (it--) makes the preceding item current and returns an iterator to the previously current item.

const_iterator & const_iterator::operator-= ( int j )

Makes the iterator go back by j items. (If j is negative, the iterator goes forward.)

This operation can be slow for large j values.

See also operator+=() and operator-().

const T * const_iterator::operator-> () const

Returns a pointer to the current item.

See also operator*().

const_iterator & const_iterator::operator= ( const const_iterator & other )

Assigns other to this iterator.

bool const_iterator::operator== ( const const_iterator & other ) const

Returns true if other points to the same item as this iterator; otherwise returns false.

See also operator!=().