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Essential Tools Module Reference Guide

RWTValHashMultiSetConstIterator<T,H,EQ,A>

Module:  Essential Tools Module   Group:  STL Extension-based Collection


Does not inherit

Local Index

Members

Synopsis

#include <rw/tvhasht.h>
template <class T, class H, class EQ, 
          class A=std::allocator<T> >
class  RWTValHashMultiSetConstIterator

Description

RWTValHashMultiSetConstIterator provides a const iterator for RWTValHashMultiSet. A const iterator prohibits any changes to the underlying collection.

Iteration over an RWTValHashMultiSet is pseudorandom and dependent on the capacity of the underlying hash table and the hash function being used. The only usable relationship between consecutive elements is that elements which are defined to be equivalent by the equivalence object, EQ, will remain adjacent.

The current item referenced by this iterator is undefined after construction or after a call to reset(). The iterator becomes valid after being advanced with either a preincrement or operator().

For both operator++ and operator(), iterating past the last element returns a value equivalent to boolean false. Continued increments return a value equivalent to false until reset() is called.

The value type must have operator== defined. This requirement is imposed by the Standard C++ Library.

Persistence

None

Public Constructors

RWTValHashMultiSetConstIterator<T,H,EQ>(RWTValHashMultiSet<T,H,EQ,A>& h); 

Public Member Operators

bool
operator()();
bool
operator++();

Public Member Functions

const RWTValHashMultiSet<T,H,EQ,A>*
container() const; 
const T&
key() const; 
void
reset();
void
reset(RWTValHashMultiSet<T,H,EQ,A>& h);


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