[Haskell-beginners] Showing Types

[Alex Rozenshteyn]

And you also run into trouble with typeOf Nothing.

On Tue, Mar 8, 2016 at 10:09 AM, Alex Rozenshteyn <rpglover64 at gmail.com>
wrote:

> > But it works on concrete types, not functions.
>
> Isn't the problem type variables, not functions?
>
> Prelude Data.Typeable> :set -XScopedTypeVariables
> Prelude Data.Typeable> let fun x = case x of {Just (i::Int) -> i + 1;
> Nothing -> 0}
> Prelude Data.Typeable> :t fun
> fun :: Maybe Int -> Int
> Prelude Data.Typeable> typeOf fun
> Maybe Int -> Int
>
>
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