[Haskell-cafe] happstack-helpers fails to install on Mac OSX

Colin Paul Adams colin at colina.demon.co.uk
Mon Aug 31 02:59:08 EDT 2009

>>>>> "Colin" == Colin Paul Adams <colin at colina.demon.co.uk> writes:

    Colin> I've just installed the Haskell Platform (2009.2.0.2) on
    Colin> Mac OSX 10.5.6, including GHC 6.10.4.

    Colin> Then I started added some packahges with cabal install.

    Colin> But happstack-helpers-0.30 fails with:

    Colin> Happstack/Helpers/DirBrowse.hs:88:105 Couldn't match
    Colin> expected type `String' against inferred type `Bool' In the
    Colin> third argument of `hscolour', namely `False' In the second
    Colin> argument of `(.)', namely `BrowseHtmlString . (hscolour
    Colin> defaultColourPrefs False False f)'

    Colin> Is this a known error, and if so, is there a workaround?

I guess it's the same problem that was reported earlier this week with
hlint and hscolour 1.15.  I'll try installing an earlier version of hscolour.
Colin Adams
Preston Lancashire

More information about the Haskell-Cafe mailing list