IIntfStack/IStrStack/IStack

Unit

lib_intf

Inheritance

Base interface

Methods

IIntfStack

function Contains(AObject: IInterface): Boolean;
function Empty: Boolean;
function Pop: IInterface;
procedure Push(AObject: IInterface);
function Size: Integer;

IStrStack

function Contains(const AString: string): Boolean;
function Empty: Boolean;
function Pop: string;
procedure Push(const AString: string);
function Size: Integer;

IStack

function Contains(AObject: TObject): Boolean;
function Empty: Boolean;
function Pop: TObject;
procedure Push(AObject: TObject);
function Size: Integer;

Description

A stack is a LIFO (Last In / First Out) container.

Method Description
Contains Return True if AObject is contained in the stack.
Empty Return True the stack contained no object.
Pop Return the top object of the stack.
Push Add AObject at the top of the stack.
Size Return the number of objects in the stack.

Implemented By