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  1. public enum Direction {
  2.     North(1), South(0), East(3), West(2), Up(5), Down(4)
  3.     private oppositeIndex
  4.     Direction getOpposite() { 
  5.         values()[oppositeIndex]
  6.     }
  7.     Direction(oppositeIndex) { 
  8.         this.oppositeIndex = oppositeIndex
  9.     }
  10. }
  11.  
  12. Direction.values().each { 
  13.     println "opposite of $it is $it.opposite"
  14. }
  15.  
Success #stdin #stdout 1.13s 217280KB
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Standard input is empty
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opposite of North is South
opposite of South is North
opposite of East is West
opposite of West is East
opposite of Up is Down
opposite of Down is Up
https://ideone.com/OPv1v
language:
Groovy (groovy 2.5.6)
created:
11 years ago
visibility:
public

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