proposition: Lemma length_ByteString_queue_into_ByteString' : forall l b, length_ByteString (fold_left (fun (bs : ByteString) (b : bool) => ByteString_enqueue b bs) l b) = length l + length_ByteString b.
proof: Proof. induction l; simpl; eauto. intros; rewrite IHl, length_ByteString_enqueue; omega. Qed.
imports: Fiat.Common.Coq__8_4__8_5__Compat Bedrock.Word Coq.ZArith.ZArith Coq.NArith.NArith Coq.Arith.Arith Coq.Numbers.Natural.Peano.NPeano Coq.Logic.Eqdep_dec Fiat.Narcissus.Common.Specs