val short_hash : t -> intshort_hash h is a small hash of h, to be used for instance as the `hash` function of an OCaml Hashtbl.
Hash.TYPEDSignature for typed hashes, where hash directly takes a value as argument and incremental hashing is not possible.
val short_hash : t -> intshort_hash h is a small hash of h, to be used for instance as the `hash` function of an OCaml Hashtbl.