fromAsync

fun <T : JsAny?, U : JsAny?> fromAsync(source: AsyncIterable<T>, transform: (item: T, index: Int) -> U): Promise<ReadonlyArray<U>>(source)
fun <T : JsAny?, U : JsAny?> fromAsync(    source: JsIterable<PromiseResult<T>>,     transform: (item: T, index: Int) -> U): Promise<ReadonlyArray<U>>(source)
fun <T : JsAny?, U : JsAny?> fromAsync(    source: ReadonlyArray<PromiseResult<T>>,     transform: (item: T, index: Int) -> U): Promise<ReadonlyArray<U>>(source)