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Class RegionDelta
A RegionDelta represents a change in the state of a Region, holding the state before and after some change. They are in some sense complementary to Joints: In the same way that you can use Filters to examine Joints, you can use RegionDeltas to examine Filters. See also Filter::isSwitchedBy(RegionDelta *) and related methods.
Package: Udanax-Gold
All Superclasses: Object Heaper
Protocols: Object
Categories: Xanadu-filter