Qore::AbstractQuantifiedIterator Class Reference

This class defines an abstract interface for iterators where the size of the object being iterated is known in advance. More...

#include <QC_AbstractQuantifiedIterator.dox.h>

Inheritance diagram for Qore::AbstractQuantifiedIterator:

Public Member Functions
abstract bool	empty ()
	returns True if the object to iterate is empty; False if not
abstract bool	first ()
	returns True if on the first element
abstract bool	last ()
	returns True if on the last element
Public Member Functions inherited from Qore::AbstractIterator
abstract auto	getValue ()
	returns the current value
abstract bool	next ()
	Moves the current position to the next element; returns False if there are no more elements.
abstract bool	valid ()
	returns True if the iterator is currently pointing at a valid element, False if not

Detailed Description

This class defines an abstract interface for iterators where the size of the object being iterated is known in advance.

Member Function Documentation

empty()

abstract bool Qore::AbstractQuantifiedIterator::empty

(

)

returns True if the object to iterate is empty; False if not

Returns

True if the object to iterate is empty; False if not

Example:

if (i.empty())
    printf("object is empty\n");

first()

abstract bool Qore::AbstractQuantifiedIterator::first

(

)

returns True if on the first element

Returns

True if on the first element

Example:

while (i.next()) {
    if (i.first())
        printf("START:\n");
}

last()

abstract bool Qore::AbstractQuantifiedIterator::last

(

)

returns True if on the last element

Returns

True if on the last element

Example:

while (i.next()) {
    if (i.last())
        printf("END.\n");
}