[Haskell-beginners] Question about List Type Constraint and Null

aditya siram aditya.siram at gmail.com
Sat Jan 22 20:01:19 CET 2011


> Finally, are you sure that the given type signature is what you want?
> Don't you want
>
> test ::  Read a => String -> Maybe a

Yes that was a mistake, but the weirder thing is that fixing the type
sig does nothing to change the behavior described before: it still
fails to compile with -XNoMonomorphismRestriction and compiles fine if
it's removed.

It's going to take me a while understand absorb your explanation.

Thanks!
-deech


>
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>        Jürgen
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