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Re:The Next 700 Programming Languages (1965) [pdf] by rurban on Monday January 08, 2018 @09:45AM (#16097009)
Lisp has the LOOP macro for this kind of nonsense.
Re:The Next 700 Programming Languages (1965) [pdf] by nerdponx on Monday January 08, 2018 @10:14AM (#16097226)
I don't think ISWIM (as I understand it) needs to be "conversational" like LOOP. List comprehensions, as a direct translation of set-builder notation, are probably good enough.

LOOP has nothing to do with non-sequential execution, or anonymous scoped blocks (read: 'where' clauses).