\begin{code}
-dsCoercion :: ExprCoFn -> DsM CoreExpr -> DsM CoreExpr
-dsCoercion CoHole thing_inside = thing_inside
-dsCoercion (CoCompose c1 c2) thing_inside = dsCoercion c1 (dsCoercion c2 thing_inside)
-dsCoercion (ExprCoFn co) thing_inside = do { expr <- thing_inside
+dsCoercion :: HsWrapper -> DsM CoreExpr -> DsM CoreExpr
+dsCoercion WpHole thing_inside = thing_inside
+dsCoercion (WpCompose c1 c2) thing_inside = dsCoercion c1 (dsCoercion c2 thing_inside)
+dsCoercion (WpCo co) thing_inside = do { expr <- thing_inside
; return (Cast expr co) }
-dsCoercion (CoLam id) thing_inside = do { expr <- thing_inside
+dsCoercion (WpLam id) thing_inside = do { expr <- thing_inside
; return (Lam id expr) }
-dsCoercion (CoTyLam tv) thing_inside = do { expr <- thing_inside
+dsCoercion (WpTyLam tv) thing_inside = do { expr <- thing_inside
; return (Lam tv expr) }
-dsCoercion (CoApp id) thing_inside = do { expr <- thing_inside
+dsCoercion (WpApp id) thing_inside = do { expr <- thing_inside
; return (App expr (Var id)) }
-dsCoercion (CoTyApp ty) thing_inside = do { expr <- thing_inside
+dsCoercion (WpTyApp ty) thing_inside = do { expr <- thing_inside
; return (App expr (Type ty)) }
-dsCoercion (CoLet bs) thing_inside = do { prs <- dsLHsBinds bs
+dsCoercion (WpLet bs) thing_inside = do { prs <- dsLHsBinds bs
; expr <- thing_inside
; return (Let (Rec prs) expr) }
\end{code}