> (when-let [s (seq coll)]
> (let [run (cons (first s) (take-while #(not= value (f %)) (next
> s)))]
> (cons run (partition-when f value (seq (drop (count run) s))))
> )
> )
> )
> )
...
> What test?
(seq coll) is the test here. when-let (and if-let, etc) bind only when
the right hand side is truthy.
(when-let [x true]
(println "this prints"))
(when-let [x false]
(println "this does not print"))
It's a common shortcut for:
(let [x (something-something)]
(when x
....))
jack.
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