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Referentially Transparent SchemeWhat features from R5RS would have to be removed if one wanted a referentially transparent scheme? In Lisp In Small Pieces, Christian states that assignment, side-effects, and continuations break referential transparency. So I would assume that one would have to remove any destructive operators such as set!, set-car!, set-cdr!, as well as removing call/cc. I also thought that defining global variables (via define) would be removed though I would imagine if you dropped the availability of set! the use of define in the global context would not be much of an issue. Am I looking at this the right way? Are there other things that have side-effects in Scheme that I am not aware of? Is there more information on this topic that I can look and learn more? Best regards, MJ Stahl By mjstahl at 2006-01-19 14:51 | LtU Forum | previous forum topic | next forum topic | other blogs | 21215 reads
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