K2 (ocaml.Stdlib.Ephemeron.K2)

type ('k1, 'k2, 'd) t

an ephemeron with two keys

val make : 'k1 -> 'k2 -> 'd -> ('k1, 'k2, 'd) t

val query : ('k1, 'k2, 'd) t -> 'k1 -> 'k2 -> 'd option

module Make
  (H1 : Hashtbl.HashedType)
  (H2 : Hashtbl.HashedType) : 
  S with type key = H1.t * H2.t

Functor building an implementation of a weak hash table

module MakeSeeded
  (H1 : Hashtbl.SeededHashedType)
  (H2 : Hashtbl.SeededHashedType) : 
  SeededS with type key = H1.t * H2.t

Functor building an implementation of a weak hash table. The seed is similar to the one of Hashtbl.MakeSeeded.

module Bucket : sig ... end