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# Q3ValueListConstIterator Class Reference
[Qt3Support module]

The Q3ValueListConstIterator class provides a const iterator for Q3ValueList. More...

     #include <Q3ValueListConstIterator>

This class is part of the Qt 3 support library. It is provided to keep old source code working. We strongly advise against using it in new code. See Porting to Qt 4 for more information.

Inherits QLinkedList<T>::const_iterator.

- List of all members, including inherited members

### Public Functions

- Q3ValueListConstIterator ()
- Q3ValueListConstIterator ( const Q3ValueListConstIterator & o )
- Q3ValueListConstIterator ( const QLinkedList<T>::const_iterator & o )
- Q3ValueListConstIterator ( const QLinkedList<T>::iterator & o )

- 13 public functions inherited from QLinkedList::const_iterator

## Detailed Description

The Q3ValueListConstIterator class provides a const iterator for Q3ValueList.

In contrast to Q3ValueListIterator, this class is used to iterate over a const list. It does not allow modification of the values of the list since that would break const semantics.

You can create the appropriate const iterator type by using the `const_iterator` typedef provided by Q3ValueList.

For more information on Q3ValueList iterators, see Q3ValueListIterator.

See also Q3ValueListIterator and Q3ValueList.

## Member Function Documentation

### Q3ValueListConstIterator::Q3ValueListConstIterator ()

Constructs an unitialized iterator.

### Q3ValueListConstIterator::Q3ValueListConstIterator ( const Q3ValueListConstIterator & o )

Constructs a copy of iterator o.

### Q3ValueListConstIterator::Q3ValueListConstIterator ( const QLinkedList<T>::const_iterator & o )

Constructs a copy of iterator o.

### Q3ValueListConstIterator::Q3ValueListConstIterator ( const QLinkedList<T>::iterator & o )

Constructs a copy of iterator o.