Unknown option -XPatternSig used in warning

Bas van Dijk v.dijk.bas at gmail.com
Wed Sep 19 12:41:25 EDT 2007

On 9/19/07, Simon Peyton-Jones <simonpj at microsoft.com> wrote:
> ...I'll push a fix.

Thanks! It works now:

 $ ghci -XPatternSignatures PatternSig.hs
GHCi, version 6.9.20070919: http://www.haskell.org/ghc/  :? for help
Loading package base ... linking ... done.
[1 of 1] Compiling Main             ( PatternSig.hs, interpreted )

PatternSig.hs:2:10: Not in scope: type variable `a'
Failed, modules loaded: none.


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