package core_kernel

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Industrial strength alternative to OCaml's standard library

Install

Dune Dependency

github.com Changelog MIT License Edit opam file Versions (10)

Authors

J

Jane Street Group, LLC

Maintainers

J

Jane Street developers

Sources

core_kernel-v0.15.0.tar.gz

sha256=34a0288f16027c6b90e4ad16cb5cc677d7063d310faf918748ce70f1745116c0

doc/core_kernel.weak_pointer/Weak_pointer/index.html

Module `Weak_pointer`Source

A weak pointer is a pointer to a heap block that does not cause the heap block to remain live during garbage collection.

If the block would otherwise remain live, then the weak pointer remains pointed to the block. If the block is collected, then the weak pointer is cleared.

Sourcetype 'a t

Sourceval sexp_of_t : ('a -> Sexplib0.Sexp.t) -> 'a t -> Sexplib0.Sexp.t

Sourceval create : unit -> _ t

create creates an empty weak pointer. One must set it to point it to something.

Sourceval get : 'a t -> 'a Core.Heap_block.t option

Sourceval is_some : _ t -> bool

is_some t = Option.is_some (get t).

Sourceval is_none : _ t -> bool

is_none t = Option.is_none (get t).

Sourceval set : 'a t -> 'a Core.Heap_block.t -> unit