| /* |
| * 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 |
| } |