README.md

coroutines

suspend fun main() {
    listOf(1, 2, 3).parallelMap(maxConcurrentRequests = 2) {
        suspendingHttlCall(it)
    }
}

val pi by suspendLazy { superAwkwardWayToFetchPi() }

suspend fun main() {
    println(pi())
}

Please refer to this page

Documentation can be found here