Gavin Lowe <[EMAIL PROTECTED]> writes:
> I think this is a hugs bug.
It isn't. You will get the same behaviour in nhc98 and ghc.
> Prelude> let g n = n^25 `mod` 18721 in g 4
> 17173
>
> Prelude> let f n = snd( chr n, n^25 `mod` 18721 ) in f 4
> 0
The problem is with type-defaults for overloaded numbers. In the
first example, n is inferred to be of type
n :: Integral a => a
which is defaulted to Integer. In the second example, because the
type of chr is
chr :: Int -> Char
the type of n is inferred as Int, which cannot represent the value 4^25.
Regards,
Malcolm
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