The defined operator in Ruby checks whether a method or variable has been i

In Ruby, it explains about the defined operator?

Question Posted / Jha Nileshkumar Kripanath

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Answer Posted / Jha Nileshkumar Kripanath

The defined operator in Ruby checks whether a method or variable has been initialized. It returns three values: nil (if the variable is undefined), 'nil' (if the variable is defined but empty), and the name of the variable or method (if it is defined and not empty).

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