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Asked • 06/07/19

Test whether a Ruby class is a subclass of another class?

I would like to test whether a class inherits from another class, but there doesn't seem to exist a method for that. class A end class B < A end B.is_a? A => false B.superclass == A => trueA trivial implementation of what I want would be: class Class def is_subclass_of?(clazz) return true if superclass == clazz return false if self == Object superclass.is_subclass_of?(clazz) end endbut I would expect this to exist already.

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