How do I overload the in operator in Groovy? -

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  def सरणी = [1,2,3,4,5] println 3 में सरणी  < / प्री> 
 प्रिंट  true  पर क्लिक करें। 
 
  उदाहरण:  
 
  वर्ग जो भी हो {DEF}  
 AddItem (आइटम) {// आइटम जोड़ें}} def w = नया जो भी हो () w.addItem ("एक") w.addItem ("दो") println "दो" में w  
 < पी> मुझे पता है कि मैं इस संग्रह को सार्वजनिक कर सकता हूं, लेकिन मैं इसके बजाय  in  का उपयोग करना चाहता हूं।

मैंने Groovy मेलिंग सूची पर पूछा। सूत्र। इसका जवाब है isCase 

  वर्ग ए {def isCase (ओ) {वापसी झूठी; }} A = नया A () println 6 में एक // रिटर्न गलत

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