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Essential Tools Module Reference Guide

RWBagConstIterator

Module:  Essential Tools Module   Group:  RWCollectable


RWBagConstIterator RWConstIterator

Local Index

Members

Synopsis

#include <rw/rwbag.h>
RWBag b;
RWBagConstIterator it(b);

Description

Provides an iterator for class RWBag that allows sequential access to all the elements of RWBag and that does not change any member of RWBag. Note that because an RWBag is unordered, elements are not accessed in any particular order. If an item was inserted N times into the collection, then it is visited N consecutive times.

Like all Rogue Wave iterators, the "current item" is undefined immediately after construction -- you must define it by using operator() or some other (valid) operation. This does not apply when using the begin() and end() methods of RWBag.

Once the iterator has advanced beyond the end of the collection it is no longer valid -- continuing to use it will cause undefined results.

Persistence

None

Public Constructor

RWBagConstIterator(const RWBag&);

Public Member Operator

virtual const RWCollectable*
operator()(); 

Public Member Functions

virtual const RWCollectable*
findNext(const RWCollectable* target);
virtual const RWCollectable*
key() const;
virtual void
reset();


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