- /*
- Name: Holder.h
- Description: Functionality for storing objects, used through mix-in
- inheritance
- Test suite: activity
- */
- /* Mix-in inheritance of a Holder class that holds a list of objects.
- Used for for subclassing from activity library classes (ActionGroup,
- ConcurrentGroup, Schedule etc.).
- */
- + createBegin: aZone numberOfObjects: (int)num;
- - addObject: obj;
- - getObjectAt: (int)offset;
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