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/*
* Copyright 2016-2018 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-reactive.md by Knit tool. Do not edit.
package kotlinx.coroutines.rx2.guide.operators02
import kotlinx.coroutines.*
import kotlinx.coroutines.reactive.*
import org.reactivestreams.*
import kotlin.coroutines.*
fun <T, R> Publisher<T>.fusedFilterMap(
context: CoroutineContext, // the context to execute this coroutine in
predicate: (T) -> Boolean, // the filter predicate
mapper: (T) -> R // the mapper function
) = GlobalScope.publish<R>(context) {
consumeEach { // consume the source stream
if (predicate(it)) // filter part
send(mapper(it)) // map part
}
}
fun CoroutineScope.range(start: Int, count: Int) = publish<Int> {
for (x in start until start + count) send(x)
}
fun main() = runBlocking<Unit> {
range(1, 5)
.fusedFilterMap(coroutineContext, { it % 2 == 0}, { "$it is even" })
.consumeEach { println(it) } // print all the resulting strings
}
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