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  1. object Main extends App {
  2. 	val resultOption: Option[Int] = 
  3. 	for{
  4. 		i1 <- opt1
  5. 		i2 <- opt2
  6. 	} yield {
  7. 		if(i1 + i2 > 10) null.asInstanceOf[Int]
  8. 		else i1 + i2
  9. 	}
  10.  
  11. 	println(resultOption)
  12.  
  13. 	def opt1: Option[Int] = Some(5)
  14. 	def opt2: Option[Int] = Some(10)
  15. }
Success #stdin #stdout 0.48s 66168KB
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Some(0)
https://ideone.com/kO9HuV
language:
Scala (scala 2.12.8)
created:
7 years ago
visibility:
public

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