module type Elt = Hashtbl.Key
type
t
val compare : t -> t -> int
val hash : t -> int
hash
must be non-negative. An exception will be raised in the
case that hash
returns a negative value.val t_of_sexp : Sexplib.Sexp.t -> t
val sexp_of_t : t -> Sexplib.Sexp.t
hash
must be non-negative. An exception will be raised in the
case that hash
returns a negative value.