File: simple-example-2.kt

package info (click to toggle)
kotlinx-coroutines 1.0.1-2
  • links: PTS, VCS
  • area: main
  • in suites: bookworm, forky, sid, trixie
  • size: 4,628 kB
  • sloc: xml: 418; sh: 322; javascript: 60; makefile: 17; java: 8
file content (22 lines) | stat: -rw-r--r-- 743 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
/*
 * Copyright 2016-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
 */

package kotlinx.coroutines.examples

import kotlinx.coroutines.*
import kotlinx.coroutines.future.*
import java.util.concurrent.*

// this function returns a CompletableFuture using Kotlin coroutines
fun supplyTheAnswerAsync(): CompletableFuture<Int> = GlobalScope.future {
    println("We might be doing some asynchronous IO here or something else...")
    delay(1000) // just do a non-blocking delay
    42 // The answer!
}

fun main(args: Array<String>) {
    // We can use `supplyTheAnswerAsync` just like any other future-supplier function
    val future = supplyTheAnswerAsync()
    println("The answer is ${future.get()}")
}