[Haskell-cafe] Comments on Haskell 2010 Report

Julian Fleischer julian.fleischer at fu-berlin.de
Fri Jul 9 18:12:15 EDT 2010


> 8. [...] Saying 0**0 is undefined seems reasonable,
> but why 0**y?
I agree on 0**y being 0 (not undefined), but why should 0**0 be undefined? x**0 := 1, by convention. Of course this is a still ongoing debate (regarding analysis of functions etc.), but the most usefull approach for /any/ programming language (and BTW for many mathematical proofs, too).


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