| /* |
| * 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.flow14 |
| |
| import kotlinx.coroutines.* |
| import kotlinx.coroutines.flow.* |
| |
| fun foo(): Flow<Int> = flow { |
| // WRONG way to change context for CPU-consuming code in flow builder |
| kotlinx.coroutines.withContext(Dispatchers.Default) { |
| for (i in 1..3) { |
| Thread.sleep(100) // pretend we are computing it in CPU-consuming way |
| emit(i) // emit next value |
| } |
| } |
| } |
| |
| fun main() = runBlocking<Unit> { |
| foo().collect { value -> println(value) } |
| } |