+ returnTc (LitPat (HsLitLit s pat_ty) pat_ty, dicts, emptyBag, emptyBag, emptyLIE)
+
+tcPat tc_bndr pat@(LitPatIn lit@(HsString _)) pat_ty
+ = unifyTauTy pat_ty stringTy `thenTc_`
+ tcLookupValueByKey eqStringIdKey `thenNF_Tc` \ eq_id ->
+ returnTc (NPat lit stringTy (HsVar eq_id `HsApp` HsLit lit),
+ emptyLIE, emptyBag, emptyBag, emptyLIE)
+
+tcPat tc_bndr (LitPatIn simple_lit) pat_ty
+ = unifyTauTy pat_ty (simpleHsLitTy simple_lit) `thenTc_`
+ returnTc (LitPat simple_lit pat_ty, emptyLIE, emptyBag, emptyBag, emptyLIE)
+
+tcPat tc_bndr pat@(NPatIn over_lit) pat_ty
+ = newOverloadedLit (PatOrigin pat) over_lit pat_ty `thenNF_Tc` \ (over_lit_expr, lie1) ->
+ tcLookupValueByKey eqClassOpKey `thenNF_Tc` \ eq_sel_id ->
+ newMethod origin eq_sel_id [pat_ty] `thenNF_Tc` \ (lie2, eq_id) ->
+
+ returnTc (NPat lit' pat_ty (HsApp (HsVar eq_id) over_lit_expr),
+ lie1 `plusLIE` lie2,
+ emptyBag, emptyBag, emptyLIE)
+ where
+ origin = PatOrigin pat
+ lit' = case over_lit of
+ HsIntegral i _ -> HsInteger i
+ HsFractional f _ -> HsRat f pat_ty