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Andre van Tonder <andre@xxxxxxxxxxxxxxxxx> writes: > Conceded. But the context of my comment was efficiency. How likely > is it that implementations will compile the expression (exact-and (* x > y) #xFFFFFFFF) to the single machine instruction available on many > architectures? I would think it's about as likely as a "32-bit type" doing the same thing. On a 32-bit architecture, if your values are tagged, ... -- Cheers =8-} Mike Friede, Völkerverständigung und überhaupt blabla