+ -- XXX - autrijus - $3 needs to be split into argument and return types!
+ -- also not sure whether the [] below (quantified vars) appears.
+ -- also the "PrefixCon []" is wrong.
+ -- also we want to munge $3 somehow.
+ -- extractWhatEver to unpack ty into the parts to ConDecl
+ -- XXX - define it somewhere in RdrHsSyn
+ { noLoc $ ConDecl (noLoc (mkRdrUnqual $1)) Explicit [] (noLoc []) (PrefixCon []) (undefined $3) }