| /* |
| * 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.exampleFlow25 |
| |
| 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 |
| .flatMapLatest { requestFlow(it) } |
| .collect { value -> // collect and print |
| println("$value at ${currentTimeMillis() - startTime} ms from start") |
| } |
| } |