selectMatchVars ps = mapM selectMatchVar ps
selectMatchVar :: Pat Id -> DsM Id
-selectMatchVar (BangPat pat) = selectMatchVar (unLoc pat)
-selectMatchVar (LazyPat pat) = selectMatchVar (unLoc pat)
-selectMatchVar (ParPat pat) = selectMatchVar (unLoc pat)
-selectMatchVar (VarPat var) = return var
+selectMatchVar (BangPat pat) = selectMatchVar (unLoc pat)
+selectMatchVar (LazyPat pat) = selectMatchVar (unLoc pat)
+selectMatchVar (ParPat pat) = selectMatchVar (unLoc pat)
+selectMatchVar (VarPat var) = return var
selectMatchVar (AsPat var _) = return (unLoc var)
-selectMatchVar other_pat = newSysLocalDs (hsPatType other_pat)
+selectMatchVar other_pat = newSysLocalDs (hsPatType other_pat)
-- OK, better make up one...
\end{code}