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Using scala new chaining capabilities / published by https://github.com/dacr/code-examples-manager #a85f93f9-fc26-462b-84d5-ee2d2b322e9d/3d753ee111728727cf6ff4208e309c39d7d42677
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| // summary : Using scala new chaining capabilities | |
| // keywords : scala, language-feature, chaining, @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 : a85f93f9-fc26-462b-84d5-ee2d2b322e9d | |
| // created-on : 2020-11-07T08:29:43Z | |
| // managed-by : https://github.com/dacr/code-examples-manager | |
| // run-with : scala-cli $file | |
| // --------------------- | |
| //> using scala "3.4.2" | |
| // --------------------- | |
| import scala.util.{Failure, Random, Success, Try} | |
| import scala.util.chaining._ | |
| def `Schrödinger's Cat`(id:Int): String = | |
| if (Random.nextInt(2) == 1) throw new Exception(s"$id-poised") else s"$id-alive" | |
| val experiment1 = | |
| Try(`Schrödinger's Cat`(1)) | |
| .tap{case Success(_)=> case Failure(ex) => println(s"found dead : ${ex.getMessage} ")} | |
| .toOption | |
| .getOrElse("was dead") | |
| def lookInside:PartialFunction[Try[String],Unit] = { | |
| case Success(value) => | |
| case Failure(exception) => println(s"found dead : ${exception.getMessage} ") | |
| } | |
| val experiment2 = | |
| Try(`Schrödinger's Cat`(2)) | |
| .tap(lookInside) | |
| .toOption | |
| .getOrElse("was dead") |
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