Re: [Haskell-cafe] Making MVar and Chan Instances of Typeable
5 Nov
2004
5 Nov
'04
3:55 p.m.
My mistake: instance Typeable a => Typeable (MVar a) where typeOf (x::MVar x) = mkAppTy (mkTyCon "Control.Concurrent.MVar.MVar") [typeOf (undefined::x)] Keean.
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MR K P SCHUPKE