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CDL: Code Reuse and Collection Cascading (cont'd)
Cascading collections as sub-classes
- Every key and unit defined in the cascaded collection remains intact in the cascading collection.
- Units in the cascaded collection can be modified in two ways:
- Completely redefined: It is signaled by redefining the REGION of the cascaded unit.
- Partially redefined: If the REGION is intact the new unit definition in the cascading collection will be merged into the unit definition in the cascaded collection.