type | removed v0.0-2371 | added v0.0-2268 | Edit |
(Iterator. s)
(deftype Iterator [^:mutable s]
Object
(next [_]
(if-not (nil? s)
(let [x (first s)]
(set! s (next s))
#js {:value x :done false})
#js {:value nil :done true})))