RE: Proposing new warning

Andy Jones <[email protected]>
Newsgroups gmane.comp.lang.ruby.general
Message-ID <[email protected]> 
> If I had a use case for requiring keys to be the same type I would
> probably either subclass Hash or rely on a linter like RuboCop.

I thought that subclassing the basic collection classes like Hash or Array was a bad idea?  Because under the hood, their implementation was optimised, and it could lead to unforeseen effects?

Of course, you can always use composition instead of inheritance.


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