| /* |
| * 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.exampleFlow28 |
| |
| import kotlinx.coroutines.* |
| import kotlinx.coroutines.flow.* |
| |
| fun simple(): Flow<String> = |
| flow { |
| for (i in 1..3) { |
| println("Emitting $i") |
| emit(i) // emit next value |
| } |
| } |
| .map { value -> |
| check(value <= 1) { "Crashed on $value" } |
| "string $value" |
| } |
| |
| fun main() = runBlocking<Unit> { |
| simple() |
| .catch { e -> emit("Caught $e") } // emit on exception |
| .collect { value -> println(value) } |
| } |