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  1. sealed abstract class Symbol
  2. case object X extends Symbol
  3. case object O extends Symbol
  4.  
  5. object Main extends App {
  6.   val field = (Some(O), None, None,
  7.                None, Some(X), None,
  8.                None, None, Some(X))
  9.  
  10.   field.productIterator.foreach(println)
  11. }
  12.  
Success #stdin #stdout 0.37s 382080KB
comments (?)
stdin 
Standard input is empty
stdout 
Some(O)
None
None
None
Some(X)
None
None
None
Some(X)
https://ideone.com/sOHuin
language:
Scala (scala 2.12.8)
created:
9 years ago
visibility:
public

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