[Haskell-cafe] Formatting function types

[Christopher Done]

On 30 December 2010 15:44, Antoine Latter <aslatter at gmail.com> wrote:

> On Thu, Dec 30, 2010 at 8:33 AM, Lauri Alanko <la at iki.fi> wrote:
> > Even nowadays, Haddock deliberately generates the following layout for
> > long function types:
> >
> > openTempFile
> >    :: FilePath
> >    -> String
> >    -> IO (FilePath, Handle)
> >
>
> Aesthetics is a funny thing. I prefer writing my type signatures
> arrow-first if they grow too long.


Me too:

fooBar :: Foo a
       => Bar a
       -> Mu a
       -> Zot ()

Though in Lisk I don't have to think much about this:

(:: foo-bar (=> ('foo a) (-> ('bar a) ('mu a) ('zot ()))))

(:: foo-bar
    (=> ('foo a)
        (-> ('bar a)
            ('mu a)
            ('zot ()))))
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