Listen to extension action : extend_object « Reflection « Ruby

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Ruby » Reflection » extend_object   Listen to extension action module MyMod   def MyMod.extend_object(obj)     puts "Extending object id #{obj.id}, type #{obj.type}"     super   end end x = [1, 2, 3] x.extend(MyMod) # Output: # Extending object id 36491192, type Array   Related examples in the same category

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