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Essential Tools Module Reference Guide

RWDlistCollectablesConstIterator

Module:  Essential Tools Module   Group:  RWCollectable


RWDlistCollectablesConstIterator RWConstIterator

Local Index

Members

Synopsis

#include <rw/dlistcol.h>
RWDlistCollectables d;
RWDlistCollectablesConstIterator it(d);

Description

One of two iterators for class RWDlistCollectables. As a const iterator, this iterator does not contain any functions that change the data structure it is iterating through.

This iterator traverses the linked-list from the first (head) to the last (tail) item. Functions are provided for moving in either direction.

As with all Rogue Wave iterators, the "current item" is undefined immediately after construction -- you must define it by using operator() or some other (valid) operation.

Once the iterator has advanced beyond the end of the collection it is no longer valid -- continuing to use it will bring undefined results.

Persistence

None

Public Constructor

RWDlistCollectablesConstIterator (RWDlistCollectables& d);

Public Member Operators

virtual const RWCollectable*
operator()();
void
operator++(); 
void
operator--();
void
operator+=(size_t n); 
void
operator-=(size_t n); 

Public Member Functions

bool
atFirst() const;
bool
atLast() const;
virtual const RWCollectable*
findNext(const RWCollectable* target);
const RWCollectable*
findNextReference(const RWCollectable* e);
virtual const RWCollectable*
key() const;
virtual void
reset();
void
toFirst();
void
toLast();


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