Generalizable All Variables.
Require Import Preamble.
Require Import General.
-Require Import HaskGeneral.
(* GHC uses a single type for expression variables, type variables, and coercion variables; this is that type *)
Variable CoreVar : Type. Extract Inlined Constant CoreVar => "Var.Var".
Variable coreVar_eq : forall (a b:CoreVar), sumbool (a=b) (not (a=b)). Extract Inlined Constant coreVar_eq => "(==)".
Axiom coreVar_eq_refl : forall v, (coreVar_eq v v) = (left _ (refl_equal v)).
-Instance CoreVarEqDecidable : EqDecidable CoreVar :=
-{ eqd_dec := coreVar_eq
-; eqd_dec_reflexive := coreVar_eq_refl
-}.
+Instance CoreVarEqDecidable : EqDecidable CoreVar := { eqd_dec := coreVar_eq }.