package ocaml-base-compiler

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in-package search v0.2.0

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Parameters
Signature

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Functor building an implementation of a weak hash table

Propose the same interface as usual hash table. However since the bindings are weak, even if mem h k is true, a subsequent find h k may raise Not_found because the garbage collector can run between the two.

Moreover, the table shouldn't be modified during a call to iter. Use filter_map_inplace in this case.

Parameters

module H1 : Hashtbl.HashedType

module H2 : Hashtbl.HashedType

Signature

include Hashtbl.S with type key = H1.t * H2.t

type key = H1.t * H2.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_all : 'a t -> key -> 'a list

val replace : 'a t -> key -> 'a -> unit

val mem : 'a t -> key -> bool

val iter : (key -> 'a -> unit) -> 'a t -> unit

val filter_map_inplace : (key -> 'a -> 'a option) -> 'a t -> unit

val fold : (key -> 'a -> 'b -> 'b) -> 'a t -> 'b -> 'b

val length : 'a t -> int

val stats : 'a t -> Hashtbl.statistics

val clean : 'a t -> unit

remove all dead bindings. Done automatically during automatic resizing.

val stats_alive : 'a t -> Hashtbl.statistics

same as Hashtbl.SeededS.stats but only count the alive bindings