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  1. import scala.util._
  2.  
  3. object Main extends App {
  4.   def divideByZero(a: Int): Int = a / 0
  5.   def numberOrDefault(a: Int): Int =
  6.     try a catch { case _: ArithmeticException => 42 }
  7.  
  8.   println(Success(1) map { numberOrDefault _ compose divideByZero _ })
  9.   println(Success(1) map divideByZero _ map numberOrDefault _)
  10. }
Success #stdin #stdout 0.4s 382016KB
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stdin
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Standard input is empty
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Failure(java.lang.ArithmeticException: / by zero)
Failure(java.lang.ArithmeticException: / by zero)
https://ideone.com/Z21SUn
language:
Scala (scala 2.12.8)
created:
9 years ago
visibility:
public

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