On Tue, Sep 04, 2007 at 11:11:00PM +0200, Wolfgang Jeltsch wrote: > Am Dienstag, 4. September 2007 22:00 schrieben Sie: > > […] > > > It should be emphasized that this program worked the very first time I > > typed it in. > > Which version of GHC are you using? I’m a bit confused since the latest > successful nightly build for i386-unknown-linux seems to be from August 20. > Are type families already implemented in this version? Was there any change > in type family support since then?
Type synonym families were only merged on the 28th IIRC. [EMAIL PROTECTED]:~$ ghci -V The Glorious Glasgow Haskell Compilation System, version 6.7.20070829 Stefan
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