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| import java.util.Optional; | |
| import java.util.function.Consumer; | |
| import java.util.function.Function; | |
| public class Result<Ok, Err> { | |
| private Ok ok; | |
| private Err err; | |
| private boolean isOk; | |
| private Result(Ok ok, Err err, boolean isOk){ |
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| import scala.util.{Try, Success, Failure} | |
| def divide: Try[Int] = { | |
| val dividend = Try(Console.readLine("Enter an Int that you'd like to divide:\n").toInt) | |
| val divisor = Try(Console.readLine("Enter an Int that you'd like to divide by:\n").toInt) | |
| val problem = for { | |
| x <- divident | |
| y <- divisor | |
| } yield x / y |
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| val name: Option[String] = | |
| request.getParameter("name") | |
| val upperNameOpt = | |
| name.map(_.trim.toUpperCase).filter(_ != "") | |
| println(upperNameOpt getOrElse "no name value") |
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| //Как улучшить следующий код? | |
| val name: Option[String] = | |
| request.getParameter("name") | |
| if (name.isDefined) { | |
| val s = name.get.trim.toUpperCase | |
| if (s != "") { | |
| println(s) | |
| } else { | |
| println("no name value") | |
| } |