Unknown option -XPatternSig used in warning

Bas van Dijk v.dijk.bas at gmail.com
Wed Sep 19 12:48:44 EDT 2007

On 9/19/07, Wolfgang Jeltsch <g9ks157k at acme.softbase.org> wrote:
> You should use {-# LANGUAGE PatternSigs #-}

That should be: {-# LANGUAGE PatternSignatures #-}

It would indeed be better if GHC could print "Use LANGUAGE pragma with
extension..." like Wolfram mentioned.


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