[NWRUG] How to tell what a class has been extended by

[doug livesey]

Hi.If you extend a class like this:

MyClass.extend( MyModule )

or this:

class MyClass
  class << self
    include MyModule
  end
end

it won't show up in a call to MyClass.included_modules().

Does anyone know a simple way to see if a class has been extended by a given
module?
(Other than testing the class for the methods in the module.)
Cheers,
   Doug.

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