Author’s comment (added 1982): In retrospect this text is not without historical interest: it records the highlights of a discussion mentioned [as “Verbal communication” (Dijkstra 1975)] in C. A. R. Hoare’s “Communicating sequential processes”, Comm. ACM 21, 8 (Aug. 1978), 666–677. The text was evidently written in a state of some excitement; in retrospect we may conclude that this excitement was not entirely unjustified. Seeing Hoare keenly interested in the topic, I left that arena.
KeywordsFunction Procedure Main Program Instruction Counter Closing Code Block Exit
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