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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 flow.md by Knit tool. Do not edit.
package kotlinx.coroutines.guide.exampleFlow14

import kotlinx.coroutines.*
import kotlinx.coroutines.flow.*
                      
fun simple(): Flow = flow {
    // The 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 {
    simple().collect { value -> println(value) } 
}