Call_stack_digest.Checkedtype t = private Pickles.Impls.Step.Field.tval if_ : Pickles.Impls.Step.Boolean.var -> then_:t -> else_:t -> tval equal : t -> t -> Pickles.Impls.Step.Boolean.varmodule Assert : sig ... endval cons : Stack_frame.Digest.Checked.t -> t -> t