CNStack -- Stack

SYNOPSIS

#include <CNCL/Stack.h>

TYPE

CN_STACK

BASE CLASSES

CNQueue

DERIVED CLASSES

None

RELATED CLASSES

CNDLList, CNQueueFIFO, CNQueueLIFO, CNQueueRandom, CNQueueSPT, CNPrioQueueFIFO, CNSink, CNJob

DESCRIPTION

CNStack is a stack, implemented as a LIFO queue which can hold any number of CNCL compatible objects. It acts very much like a LIFO queue but provides another kind of user interface.

Constructors:

CNStack();

CNStack(CNParam *param);

CNStack(long elem);

Initialize the Stack, optionally setting the size.

In addition to the member functions required by CNCL, CNStack provides:

bool empty();

Returns TRUE when stack is empty.

long depth() const;

Returns the number of objects on the stack.

void push(CNObject *obj);

Pushes an object onto the stack.

CNObject *pull();

Retrieves the last object from the stack.

CNObject *pop();

An alias for pull(). Retrieves the last object from the stack.

void clear();

Deletes all objects on the stack.

long size();

void size(long num);

Gets/sets the maximum depth of the stack.

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