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Feb 22nd, 2019
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  1. package errorhandling
  2.  
  3. object MakeIntEither extends App {
  4.  
  5. def makeInt(s: String): Either[String, Int] = {
  6. try {
  7. Right(s.trim.toInt)
  8. } catch {
  9. case e: Exception => Left(e.toString)
  10. }
  11. }
  12.  
  13.  
  14. makeInt("1")
  15.  
  16. makeInt("11f") match {
  17. case Left(s) => println("Error message: " + s)
  18. case Right(i) => println("Desired answer " + i)
  19. }
  20. }
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