Source file stdcompat__ephemeron.ml

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(*
include Ephemeron
*)

module type S  =
  sig
    type key
    (*
    type !'a t
    *)
    
    type 'a t
    
    val create : int -> 'a t
    val clear : 'a t -> unit
    val reset : 'a t -> unit
    val copy : 'a t -> 'a t
    val add : 'a t -> key -> 'a -> unit
    val remove : 'a t -> key -> unit
    val find : 'a t -> key -> 'a
    val find_opt : 'a t -> key -> 'a option
    val find_all : 'a t -> key -> 'a list
    val replace : 'a t -> key -> 'a -> unit
    val mem : 'a t -> key -> bool
    val length : 'a t -> int
    val stats : 'a t -> Stdcompat__hashtbl.statistics
    val add_seq : 'a t -> (key * 'a) Stdcompat__seq.t -> unit
    val replace_seq : 'a t -> (key * 'a) Stdcompat__seq.t -> unit
    val of_seq : (key * 'a) Stdcompat__seq.t -> 'a t
    val clean : 'a t -> unit
    val stats_alive : 'a t -> Stdcompat__hashtbl.statistics
  end

module type SeededS  =
  sig
    type key
    (*
    type !'a t
    *)
    
    type 'a t
    
    val create : ?random:bool -> int -> 'a t
    val clear : 'a t -> unit
    val reset : 'a t -> unit
    val copy : 'a t -> 'a t
    val add : 'a t -> key -> 'a -> unit
    val remove : 'a t -> key -> unit
    val find : 'a t -> key -> 'a
    val find_opt : 'a t -> key -> 'a option
    val find_all : 'a t -> key -> 'a list
    val replace : 'a t -> key -> 'a -> unit
    val mem : 'a t -> key -> bool
    val length : 'a t -> int
    val stats : 'a t -> Stdcompat__hashtbl.statistics
    val add_seq : 'a t -> (key * 'a) Stdcompat__seq.t -> unit
    val replace_seq : 'a t -> (key * 'a) Stdcompat__seq.t -> unit
    val of_seq : (key * 'a) Stdcompat__seq.t -> 'a t
    val clean : 'a t -> unit
    val stats_alive : 'a t -> Stdcompat__hashtbl.statistics
  end

let not_implemented () =
  failwith "Stdcompat.Ephemeron is not implemented yet. Please fill an issue: https://github.com/thierry-martinez/stdcompat/issues ."

module K1 = struct
  type ('k, 'd) t
  let make _ = not_implemented ()
  let query _ = not_implemented ()
  module Make (H : Hashtbl.HashedType) = struct
    include Stdcompat__hashtbl.Make (H)
    let clean _ = not_implemented ()
    let stats_alive _ = not_implemented ()
  end
  module MakeSeeded (H : Stdcompat__hashtbl.SeededHashedType) = struct
    include Stdcompat__hashtbl.MakeSeeded (H)
    let clean _ = not_implemented ()
    let stats_alive _ = not_implemented ()
  end
  module Bucket = struct
    type ('k, 'd) t

    let make _ = not_implemented ()
    let add _ = not_implemented ()
    let remove _ = not_implemented ()
    let find _ = not_implemented ()
    let length _ = not_implemented ()
    let clear _ = not_implemented ()
  end
end

module K2 = struct
  type ('k1, 'k2, 'd) t
  let make _ = not_implemented ()
  let query _ = not_implemented ()
  module Make (H1 : Hashtbl.HashedType) (H2 : Hashtbl.HashedType) = struct
    include Stdcompat__hashtbl.Make (struct
      type t = H1.t * H2.t

      let equal (x1, x2) (y1, y2) = H1.equal x1 y1 && H2.equal x2 y2

      let hash (x, y) = Hashtbl.hash (H1.hash x, H2.hash y)
    end)
    let clean _ = not_implemented ()
    let stats_alive _ = not_implemented ()
  end
  module MakeSeeded (H1 : Stdcompat__hashtbl.SeededHashedType)
       (H2 : Stdcompat__hashtbl.SeededHashedType) = struct
    include Stdcompat__hashtbl.MakeSeeded (struct
      type t = H1.t * H2.t

      let equal (x1, x2) (y1, y2) = H1.equal x1 y1 && H2.equal x2 y2

      let seeded_hash seed (x, y) = Stdcompat__hashtbl.seeded_hash seed (H1.seeded_hash seed x, H2.seeded_hash seed y)
    end)
    let clean _ = not_implemented ()
    let stats_alive _ = not_implemented ()
  end
  module Bucket = struct
    type ('k1, 'k2, 'd) t

    let make _ = not_implemented ()
    let add _ = not_implemented ()
    let remove _ = not_implemented ()
    let find _ = not_implemented ()
    let length _ = not_implemented ()
    let clear _ = not_implemented ()
  end
end

module Kn = struct
  type ('k, 'd) t
  let make _ = not_implemented ()
  let query _ = not_implemented ()
  module Make (H : Hashtbl.HashedType) = struct
    include Stdcompat__hashtbl.Make (struct
      type t = H.t array

      let equal x y =
        let rec check i =
          i >= Array.length x ||
            H.equal x.(i) y.(i) && check (succ i) in
        Array.length x = Array.length y && check 0

      let hash x = Hashtbl.hash (Array.map H.hash x)
    end)
    let clean _ = not_implemented ()
    let stats_alive _ = not_implemented ()
  end
  module MakeSeeded (H : Stdcompat__hashtbl.SeededHashedType) = struct
    include Stdcompat__hashtbl.MakeSeeded (struct
      type t = H.t array

      let equal x y =
        let rec check i =
          i >= Array.length x ||
            H.equal x.(i) y.(i) && check (succ i) in
        Array.length x = Array.length y && check 0

      let seeded_hash seed x =
        Stdcompat__hashtbl.seeded_hash seed (Array.map (H.seeded_hash seed) x)
    end)
    let clean _ = not_implemented ()
    let stats_alive _ = not_implemented ()
  end
  module Bucket = struct
    type ('k, 'd) t

    let make _ = not_implemented ()
    let add _ = not_implemented ()
    let remove _ = not_implemented ()
    let find _ = not_implemented ()
    let length _ = not_implemented ()
    let clear _ = not_implemented ()
  end
end