ZIO learning - java unswallowed exception / published by https://github.com/dacr/code-examples-manager #d73bf41f-e5d5-42d1-97d9-8c55662f3c65/58abcec270f88d98b8af6a4c59f79134bc1e44c2

zio-learning-5-exceptions-catchAll.sc

// summary : ZIO learning - java unswallowed exception
// keywords : scala, zio, learning, pure-functional
// publish : gist
// authors : David Crosson
// license : Apache License Version 2.0 (https://www.apache.org/licenses/LICENSE-2.0.txt)
// id : d73bf41f-e5d5-42d1-97d9-8c55662f3c65
// created-on : 2021-10-30T19:45:50+02:00
// 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"
// ---------------------

/*
 inspired from
   - [John A De Goes - ZIO: Next-Generation Effects in Scala](https://www.youtube.com/watch?v=mkSHhsJXjdc)
   - +23:30
 */

import zio.*, zio.worksheet.*

try {
  try throw new Error("e1")
  finally throw new Error("e2")
} catch {
  case e: Error => println(s"java try/finally reports $e")
}

println("Error 'e1' in traditional java is lost in a black hole !")

val logic1 =
  ZIO
    .fail("e1")
    .ensuring(ZIO.fail(throw new Error("e2")))
    .catchAll(e => ZIO.logError(s"ZIO reports $e"))

println("while ZIO reports error 'e1' !")

// -------------------------------------------------------------
logic1.unsafeRun