jvmTest.guide.example-compose-06.kt Maven / Gradle / Ivy

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Coroutines support libraries for Kotlin

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/*
 * Copyright 2016-2020 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
 */

// This file was automatically generated from composing-suspending-functions.md by Knit tool. Do not edit.
package kotlinx.coroutines.guide.exampleCompose06

import kotlinx.coroutines.*

fun main() = runBlocking {
    try {
        failedConcurrentSum()
    } catch(e: ArithmeticException) {
        println("Computation failed with ArithmeticException")
    }
}

suspend fun failedConcurrentSum(): Int = coroutineScope {
    val one = async { 
        try {
            delay(Long.MAX_VALUE) // Emulates very long computation
            42
        } finally {
            println("First child was cancelled")
        }
    }
    val two = async { 
        println("Second child throws an exception")
        throw ArithmeticException()
    }
    one.await() + two.await()
}