RosettaCodeData/Task/Queue-Definition/Component-Pascal/queue-definition-2.pas

18 lines
416 B
ObjectPascal

DEFINITION Queue;
IMPORT Boxes;
TYPE
Instance = POINTER TO LIMITED RECORD
(self: Instance) Capacity (): LONGINT, NEW;
(self: Instance) IsEmpty (): BOOLEAN, NEW;
(self: Instance) IsFull (): BOOLEAN, NEW;
(self: Instance) Pop (): Boxes.Box, NEW;
(self: Instance) Push (b: Boxes.Box), NEW;
(self: Instance) Size (): LONGINT, NEW
END;
PROCEDURE New (capacity: LONGINT): Instance;
END Queue.