(* ** Examples *)
Arguments mult : simpl never.
Arguments plus : simpl never.
(* Disable the warnings regarding [Undo]. This is a demonstration file. *)
Set Warnings "-undo-batch-mode,-non-interactive".
(* *** Copy.v *)
Definition CopyValue_sizefun {sigX X : Type} {cX : codable sigX X} (x : X) : Vector.t (nat->nat) 2 := [|id; CopyValue_size x|].
(* Same example, but using the specification language *)

Lemma IncrementTwice_Spec (y : nat) :
Triple (≃≃([], [|Contains _ y|])) (IncrementTwice) (fun _ => ≃≃([], [|Contains _ (S (S y))|])).