Odig_support.Digest
val string : string -> t
val bytes : bytes -> t
val substring : string -> int -> int -> t
val subbytes : bytes -> int -> int -> t
val channel : in_channel -> int -> t
val file : string -> t
val output : out_channel -> t -> unit
val input : in_channel -> t
val to_hex : t -> string
val from_hex : string -> t
val pp : Format.formatter -> t -> unit
val pp_opt : Format.formatter -> t option -> unit
module Set : sig ... end
module Map : sig ... end