Make_hex.1-Ival hash_fold_t : Hash.state -> t -> Hash.stateval hash : t -> Hash.hash_valueval to_string : t -> stringto_string and of_string convert between t and unsigned, unprefixed hexadecimal. They must be able to handle all non-negative values and also min_value. to_string min_value must write a positive hex representation.
val of_string : string -> tval zero : t