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Early experience with Mesa

By Charles M. Geschke, James H. Morris, Edwin H. Satterthwaite

Communications of the ACM, Vol. 20 No. 8, Pages 540-553

The experiences of Mesa's first users—primarily its implementers—are discussed, and some implications for Mesa and similar programming languages are suggested. The specific topics addressed are: module structure and its use in defining abstractions, data-structuring facilities in Mesa, an equivalence algorithm for types and type coercions, the benefits of the type system and why it is breached occasionally, and the difficulty of making the treatment of variant records safe.

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