| /* |
| * 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 flow.md by Knit tool. Do not edit. |
| package kotlinx.coroutines.guide.exampleFlow15 |
| |
| import kotlinx.coroutines.* |
| import kotlinx.coroutines.flow.* |
| |
| fun log(msg: String) = println("[${Thread.currentThread().name}] $msg") |
| |
| fun simple(): Flow<Int> = flow { |
| for (i in 1..3) { |
| Thread.sleep(100) // pretend we are computing it in CPU-consuming way |
| log("Emitting $i") |
| emit(i) // emit next value |
| } |
| }.flowOn(Dispatchers.Default) // RIGHT way to change context for CPU-consuming code in flow builder |
| |
| fun main() = runBlocking<Unit> { |
| simple().collect { value -> |
| log("Collected $value") |
| } |
| } |