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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.flow19
import kotlinx.coroutines.*
import kotlinx.coroutines.flow.*
import kotlin.system.*
fun foo(): Flow<Int> = flow {
for (i in 1..3) {
delay(100) // pretend we are asynchronously waiting 100 ms
emit(i) // emit next value
}
}
fun main() = runBlocking<Unit> {
val time = measureTimeMillis {
foo()
.collectLatest { value -> // cancel & restart on the latest value
println("Collecting $value")
delay(300) // pretend we are processing it for 300 ms
println("Done $value")
}
}
println("Collected in $time ms")
}
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