proposition: Lemma ptr_eq_dec : forall (p p' : pointerT), {p = p'} + {p <> p'}.
proof: Proof. decide equality. apply weq. destruct a; destruct s; simpl in *. destruct (weq x x0); subst. left; apply ptr_eq; reflexivity. right; unfold not; intros; apply n. congruence. Qed.
imports: Fiat.Common.Coq__8_4__8_5__Compat Coq.Strings.String Coq.Arith.Mult Coq.Vectors.Vector Fiat.Common.SumType Fiat.Common.BoundedLookup Fiat.Common.ilist Fiat.Common.DecideableEnsembles Fiat.Common.IterateBoundedIndex Fiat.Common.Tactics.CacheStringConstant Fiat.Computation Fiat.QueryStructure.Specification.Representation.Notations Fiat.QueryStructure.Specification.Representation.Heading Fiat.QueryStructure.Specification.Representation.Tuple Fiat.Narcissus.BinLib.Core Fiat.Narcissus.Common.Specs Fiat.Narcissus.Common.ComposeOpt Fiat.Narcissus.Automation.Solver Fiat.Narcissus.Formats.WordOpt Fiat.Narcissus.Formats.NatOpt Fiat.Narcissus.Formats.StringOpt Fiat.Narcissus.Formats.EnumOpt Fiat.Narcissus.Formats.FixListOpt Fiat.Narcissus.Formats.SumTypeOpt Fiat.Narcissus.Formats.DomainNameOpt Fiat.Narcissus.Examples.DNS.DNSPacket Bedrock.Word