```clojure
(defmethod ig/init-key ::foo [_ timeout]
(Thread/sleep timeout)
nil)

(defmethod ig/init-key ::bar [_ [timeout _]]
(Thread/sleep timeout)
nil)

(time
(-> {[::foo ::o] 1000
[::foo ::p] 1000
[::foo ::q] 1000

::bar [1000 (ig/refset ::foo)]}

(ig/init)))
;; => "Elapsed time: 2005.345024 msecs"
```

• Commit 159f75b
• #96: Allow dependencies initialise in parallel
• Branch master

Kirill Chernyshov