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ZIO learning - clock / published by https://github.com/dacr/code-examples-manager #64edef51-38e9-492e-88f6-b00b5336ad55/6f9bbbe50b2e61b488eed86870856c06b3a85d60
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// summary : ZIO learning - clock | |
// keywords : scala, zio, learning, pure-functional | |
// 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 : 64edef51-38e9-492e-88f6-b00b5336ad55 | |
// created-on : 2021-04-02T16:22:22+02:00 | |
// 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.worksheet.*, zio.Duration.* | |
val alarmLogic = for { | |
_ <- Console.printLine("how many seconds to wait for ?") | |
duration <- Console.readLine.mapAttempt(_.toInt) | |
_ <- Clock.sleep(duration.seconds) | |
_ <- Console.printLine("Wake up !") | |
} yield () | |
/* | |
So as alarmLogic is an effect, it is very very easy to test | |
although a clock is being used, see the next example | |
*/ | |
// ------------------------------------------------------------- | |
alarmLogic.unsafeRun |
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