A superset of Mesa, from Xerox PARC, adding garbagecollection, dynamic types and a universal pointer type (REF

ANY). Cedar is a large complex language designed for custom

Xerox hardware and the Cedar operating system/environment.

Data types are atoms, lists, ropes ("industrial strength"

strings), conditions. Multi-processing features include

threads, monitors, signals and catch phrases. It was

used to develop the Cedar integrated programming environment.