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Jul 20th, 2017
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Ruby 0.44 KB | None | 0 0
  1. class TrueClass
  2.     def if_true
  3.         yield
  4.     end
  5.    
  6.     def if_false
  7.     end
  8. end
  9.  
  10. class FalseClass
  11.     def if_true
  12.     end
  13.    
  14.     def if_false
  15.         yield
  16.     end
  17. end
  18.  
  19. aBoolean = 1==2
  20. aBoolean.if_true { printtrue!” }  // invece di
  21.                     //if aBoolean
  22.                     //  printtrue!”
  23.                     //end
  24.  
  25. aBoolean.if_false { printfalse!” }    // invece di
  26.                     //if !aBoolean
  27.                     //  printfalse!”
  28.                     //end
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