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/*
* 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.flow24
import kotlinx.coroutines.*
import kotlinx.coroutines.flow.*
fun requestFlow(i: Int): Flow<String> = flow {
emit("$i: First")
delay(500) // wait 500 ms
emit("$i: Second")
}
fun main() = runBlocking<Unit> {
val startTime = currentTimeMillis() // remember the start time
(1..3).asFlow().onEach { delay(100) } // a number every 100 ms
.flatMapMerge { requestFlow(it) }
.collect { value -> // collect and print
println("$value at ${currentTimeMillis() - startTime} ms from start")
}
}
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