package ocaml-base-compiler

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Official release 5.2.1

Install

Dune Dependency

ocaml.org Edit opam file Versions (99)

Authors

Xavier Leroy

Maintainers

Sources

ocaml-5.2.1.tar.gz

sha256=2d0f8090951a97a2c0e5b8a11e90096c0e1791d2e471e4a67f87e3b974044cd0

doc/stdlib/Stdlib/Ephemeron/module-type-S/index.html

Module type `Ephemeron.S`Source

The output signature of the functors K1.Make and K2.Make. These hash tables are weak in the keys. If all the keys of a binding are alive the binding is kept, but if one of the keys of the binding is dead then the binding is removed.

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.

type key

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 -> Hashtbl.statistics

val add_seq : 'a t -> (key * 'a) Seq.t -> unit

val replace_seq : 'a t -> (key * 'a) Seq.t -> unit

val of_seq : (key * 'a) Seq.t -> 'a t

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