RE: Show and function types in 4.03

[Sigbjorn Finne (Intl Vendor)]

Show over (->) is no longer Haskell(98). You need
to define your own, if you need it.

--sigbjorn


> Conal Elliott [mailto:[EMAIL PROTECTED]] writes: 
> 
> 
> Did something change in 4.03 w.r.t. Show and functions?  Mag stopped
> compiling:
> 
>               ghc-4.03 -c -O2 -fvia-C -O2-for-C -H20M UU_Pretty.hs
> 
>               UU_Pretty.hs:9:
>                   No instance for `Show (Int -> String -> String)'
>                   When deriving classes for `Format'
> 
> Here's the code:
> 
>               data Format  = Elem { height  :: Int
>                                   , last_w  :: Int
>                                   , total_w :: Int
>                                   , txtstr  :: Int -> String -> String
>                                   }
>                           deriving Show
> 
> - Conal
>