[Haskell-cafe] RE: Typing problems with basic arithmetic - help!
Chad.Scherrer at pnl.gov
Sat Sep 24 13:47:43 EDT 2005
> For some reason the following code is producing an error
> message from ghci that the the patterns are non-exhaustive.
> Does anyone have any idea why that could be, given that the
> patterns are, at least in my meaning, provably exhaustive?
You forgot to match against the empty list. Try adding
choosenonuniqueset n  = 
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