package batteries

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A community-maintained standard library extension

Install

dune-project

Dependency

github.com Edit opam file Versions (14)

Authors

O

OCaml batteries-included team

Maintainers

Sources

v3.4.0.tar.gz

md5=66b6e0b25769fc2363972c6a6ab6ac33

sha256=584d314cbaa5485e26d08ce87f7d7ff49043d9096101f2641b59def9aa6d7d71

doc/batteries.unthreaded/BatHashcons/module-type-Table/index.html

Module type `BatHashcons.Table`

Hashcons tables

type key

type of objects in the table

type t

type of the table

val create : int -> t

create n creates a table with at least n cells.

val clear : t -> unit

clear tab removes all entries from the table tab.

val hashcons : t -> key -> key hobj

hashcons tab k returns either k, adding it to the table tab as a side effect, or if k is already in the table then it returns the hashed object corresponding to that entry.

raises Failure
if number of objects with the same hash reaches system limit of array size

val iter : (key hobj -> unit) -> t -> unit

iter f tab applies f to every live hashed object in the table tab.

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

fold f tab x0 folds f across every live hashed object in the table tab, starting with value x0

val count : t -> int

count tab returns a count of how many live objects are in tab. This can decrease whenever the GC runs, even during execution, so consider the returned value as an upper-bound.