ViewersWorldInstance.mesa
Copyright Ó 1992 by Xerox Corporation. All rights reserved.
Christian Jacobi, March 4, 1992 4:40 pm PST
Deals with the special global instance of the viewers world.
Yuk, that there is a single global viewers world.
DIRECTORY
ViewersWorldRefType;
ViewersWorldInstance: CEDAR DEFINITIONS =
BEGIN
Ref: TYPE = ViewersWorldRefType.Ref;
SetNotifyProc: TYPE = PROC [viewersWorld: Ref];
GetWorld: PROC [] RETURNS [viewersWorld: Ref];
CallWhenSet:
PROC[ proc: SetNotifyProc ];
END.