hara.concurrent.latch — zcaudate/hara.concurrent.latch 2.8.6

latch clj

(latch primary follower)

(latch primary follower f)

(latch primary follower f opts)

Followes two irefs together so that when primary changes, the follower will also be updated.

(def primary (atom 1)) (def follower (atom nil))

(latch primary follower #(* 10 %)) (swap! primary inc)

@primary => 2 @follower => 20

unlatch clj

(unlatch primary follower)

Removes the latch so that updates will not be propagated

(def primary (atom 1)) (def follower (atom nil))

(latch primary follower) (swap! primary inc) @primary => 2 @follower => 2

(unlatch primary follower) (swap! primary inc) @primary => 3 @follower => 2