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ZIO learning - assembling a program from smaller parts / published by https://github.com/dacr/code-examples-manager #2d08f6f7-e52b-4d5b-bdcc-7f21fb690dd8/79104177c7c82be303873888c7c92d1cd27139d3
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// summary : ZIO learning - assembling a program from smaller parts | |
// keywords : scala, zio, learning, pure-functional, @testable | |
// publish : gist | |
// authors : David Crosson | |
// license : Apache NON-AI License Version 2.0 (https://raw.githubusercontent.com/non-ai-licenses/non-ai-licenses/main/NON-AI-APACHE2) | |
// id : 2d08f6f7-e52b-4d5b-bdcc-7f21fb690dd8 | |
// created-on : 2021-03-27T17:52:36+01:00 | |
// managed-by : https://github.com/dacr/code-examples-manager | |
// run-with : scala-cli $file | |
// --------------------- | |
//> using scala "3.2.2" | |
//> using dep "dev.zio::zio:2.0.13" | |
//> using dep "fr.janalyse::zio-worksheet:2.0.13.0" | |
// --------------------- | |
import zio.*, zio.ZIO.*, zio.worksheet.* | |
// Task[Int] is a type alias for ZIO[Any, Throwable, Int] | |
val computeLogic: Task[Int] = for { | |
a <- succeed(10) | |
b <- succeed(11) | |
c <- succeed(a + b) | |
} yield c | |
def doubleLogic(x: Int): Task[Int] = succeed(x * 2) | |
val computeAndOutputLogic: Task[Unit] = for { | |
a <- computeLogic | |
b <- doubleLogic(a) | |
_ <- Console.printLine(s"value=$b") | |
} yield () | |
// ------------------------------------------------------------- | |
computeAndOutputLogic.unsafeRun |
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