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example-compose-05.kt
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/*
* Copyright 2016-2019 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
*/
// This file was automatically generated from coroutines-guide.md by Knit tool. Do not edit.
package kotlinx.coroutines.guide.compose05
import kotlinx.coroutines.*
import kotlin.system.*
fun main() = runBlocking<Unit> {
val time = measureTimeMillis {
println("The answer is ${concurrentSum()}")
}
println("Completed in $time ms")
}
suspend fun concurrentSum(): Int = coroutineScope {
val one = async { doSomethingUsefulOne() }
val two = async { doSomethingUsefulTwo() }
one.await() + two.await()
}
suspend fun doSomethingUsefulOne(): Int {
delay(1000L) // pretend we are doing something useful here
return 13
}
suspend fun doSomethingUsefulTwo(): Int {
delay(1000L) // pretend we are doing something useful here, too
return 29
}