ZIO learning - using several managed resource / published by https://github.com/dacr/code-examples-manager #3068a64d-ce93-4127-8053-637d6db9682a/d9caa6f2db4264ddff05c8d26c41403432187951

zio-learning-8-resource-3-acquires-zip.sc

// summary : ZIO learning - using several managed resource
// keywords : scala, zio, learning, pure-functional, resources, acquire, auto-release, scope, @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 : 3068a64d-ce93-4127-8053-637d6db9682a
// created-on : 2021-10-30T17:45:50Z
// 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.*

case class SomeResource(dest: String) {
  def read(): String = s"SomeDataFor$dest"
  def close(): Unit  = println(s"Closing $dest")
}

val resource1 = ZIO.acquireRelease(ZIO.attempt(SomeResource("A")))(res => ZIO.succeed(res.close()))
val resource2 = ZIO.acquireRelease(ZIO.attempt(SomeResource("B")))(res => ZIO.succeed(res.close()))

val logic = ZIO.scoped(
  (resource1 zip resource2).flatMap { (r1, r2) =>
    Console.printLine(r1.read() + "-" + r2.read())
  }
)

// -------------------------------------------------------------
logic.unsafeRun