proposition: Lemma Some_cput T (r : loc T) (s : coq_type T) e : nth_error e (loc_id r) = Some (mkbind s) -> cput r s e = (@skip M) e.
proof: Proof. by move=> H; rewrite /cput/= H coerce_Some/= nth_error_set_nth_id. Qed.
imports: JMeq mathcomp(all_ssreflect) mathcomp(finmap) mathcomp(classical_sets) monae_lib HB(structures) hierarchy monad_lib fail_lib state_lib trace_lib monad_transformer