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Aug 28th, 2015
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Scala 0.21 KB | None | 0 0
  1.      
  2.  
  3. scala> x forall ( _ == 1)
  4. res3: Boolean = true
  5.  
  6. scala> x forall ( _ == 2)
  7. res4: Boolean = false
  8.  
  9. scala> var x: Option[Int] = None
  10. x: Option[Int] = None
  11.  
  12. scala> x forall ( _ == 2)
  13. res5: Boolean = true
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