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hello world with cats-effect / published by https://github.com/dacr/code-examples-manager #ccf93eab-dd65-4711-81ad-69eccccf71b1/da3b45bb8c11c5f40fa82dc0f4bf7322b5a3008e
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// summary : hello world with cats-effect | |
// keywords : scala, cats, effect, learning, pure-functional, helloworld, @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 : ccf93eab-dd65-4711-81ad-69eccccf71b1 | |
// created-on : 2022-01-06T17:55:38+01:00 | |
// managed-by : https://github.com/dacr/code-examples-manager | |
// run-with : scala-cli $file | |
// --------------------- | |
//> using scala "3.4.2" | |
//> using dep "org.typelevel::cats-effect:3.5.0" | |
// --------------------- | |
import cats._ | |
import cats.effect.IO | |
import cats.effect.unsafe.implicits.global | |
val program = for { | |
_ <- IO { println("Hello world") } | |
} yield () | |
program.unsafeRunSync() | |
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