I intuited that that's what the problem was. Thanks,
Michael --- On Sat, 5/2/09, Rahul Kapoor <[email protected]> wrote: From: Rahul Kapoor <[email protected]> Subject: Re: [Haskell-cafe] Generating random enums To: "michael rice" <[email protected]> Cc: "John Van Enk" <[email protected]>, [email protected] Date: Saturday, May 2, 2009, 2:00 PM > OK, I think what you're saying is to work with (random) integers and use > fromEnum and toEnum to get corresponding DayOfWeek. But I get this when I > try to use toEnum: > > *Main> toEnum 2 ghci does not know what type of enum you want to create from the number 2. Try: toEnum 2 :: DayOfWeek That said, I would expect "toEnum 2" to give an error like: 'Ambiguous type variable `a'....'. So I am not sure why your error message says: '** Exception: Prelude.Enum.().toEnum: bad argument'
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