How to enforce method signature for child classes?

Question

Languages like C#, Java has method overloads, which means if child class does not implement the method with exact signature will not overwrite the parent method.

How

Answer 1

By design, the language doesn't support checking the signatures. For an interesting read, check out:

http://grokbase.com/t/python/python-ideas/109qtkrzsd/abc-what-about-the-method-arguments

From this thread, it does sound like you may be able to write a decorator to check the signature, with abc.same_signature(method1, method2), but I've never tried that.