try-kotlin.kt

import kotlinx.coroutines.*

suspend fun suspendableDelay(ms: Long): Long {
    delay(ms);
    return ms;
}

fun regularDelay(ms: Long): Deferred<Long> {
    val d = CompletableDeferred<Long>()
    GlobalScope.async { delay(ms); d.complete(ms) }
    return d;
}

suspend fun test(ms: Long): Long {
    delay(ms);
    return ms;
}

fun main() {
    val r1 = runBlocking { suspendableDelay(250) }
    println("suspendableDelay ended: $r1");
    val r2 = runBlocking { regularDelay(500).await() }
    println("regularDelay ended: $r2");
}