unifyTauTyLists [] [] = returnTc ()
unifyTauTyLists (ty1:tys1) (ty2:tys2) = uTys ty1 ty1 ty2 ty2 `thenTc_`
unifyTauTyLists tys1 tys2
-unifyTauTypeLists ty1s ty2s = panic "Unify.unifyTauTypeLists: mismatched type lists!"
+unifyTauTyLists ty1s ty2s = panic "Unify.unifyTauTyLists: mismatched type lists!"
\end{code}
@unifyTauTyList@ takes a single list of @TauType@s and unifies them