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  1. class BooleanCategory {
  2.  
  3.   public static Boolean then(Boolean self, Closure c) {
  4.     if(self) c()
  5.     return self
  6.   }
  7.  
  8.   public static Boolean otherwise(Boolean self, Closure c) {
  9.     if(!self) c()
  10.     return self
  11.   }
  12.  
  13. }
  14.  
  15. use(BooleanCategory) {
  16.  
  17.   ('foo'.length() > 2).
  18.     then { println 'yipee' }.
  19.     otherwise { println 'bummer' }
  20.  
  21. }
Success #stdin #stdout 1.38s 219136KB
comments (?)
stdin 
Standard input is empty
stdout 
yipee
https://ideone.com/CCzIl
Objectively Functional Conditionals
language:
Groovy (groovy 2.5.6)
created:
13 years ago
visibility:
public

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