| /* |
| * 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.channel09 |
| |
| import kotlinx.coroutines.* |
| import kotlinx.coroutines.channels.* |
| |
| data class Ball(var hits: Int) |
| |
| fun main() = runBlocking { |
| val table = Channel<Ball>() // a shared table |
| launch { player("ping", table) } |
| launch { player("pong", table) } |
| table.send(Ball(0)) // serve the ball |
| delay(1000) // delay 1 second |
| coroutineContext.cancelChildren() // game over, cancel them |
| } |
| |
| suspend fun player(name: String, table: Channel<Ball>) { |
| for (ball in table) { // receive the ball in a loop |
| ball.hits++ |
| println("$name $ball") |
| delay(300) // wait a bit |
| table.send(ball) // send the ball back |
| } |
| } |