Unlike instance_of?, is_of? or kind_of? also work if the argument is a superclass or module. : instance_of « Reflection « Ruby

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Ruby » Reflection » instance_of   Unlike instance_of?, is_of? or kind_of? also work if the argument is a superclass or module. myString = "asdf" puts myString.is_a? Object # => true puts myString.kind_of? Kernel # => true puts myString.instance_of? Object # => false   Related examples in the same category 1.  if an object is an instance of a given class with the instance_of? method from Object 2.  Use instance_of? for robustness. 3.  Is it a string class instance 4.  Is it a number 5.  Use === to check the class type

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