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Last active May 25, 2024 10:19
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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/b7729f11c1ff48a51f3882c2d970557a3746ed9e
// 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 $file
// ---------------------
//> using scala "3.4.2"
//> using dep "dev.zio::zio:2.0.13"
//> using dep "fr.janalyse::zio-worksheet:2.0.13.0"
// ---------------------
import zio.*, zio.ZIO.*, zio.worksheet.*
// Task[Int] is a type alias for ZIO[Any, Throwable, Int]
val computeLogic: Task[Int] = for {
a <- succeed(10)
b <- succeed(11)
c <- succeed(a + b)
} yield c
def doubleLogic(x: Int): Task[Int] = succeed(x * 2)
val computeAndOutputLogic: Task[Unit] = for {
a <- computeLogic
b <- doubleLogic(a)
_ <- Console.printLine(s"value=$b")
} yield ()
// -------------------------------------------------------------
computeAndOutputLogic.unsafeRun
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