http://www.perlmonks.org?node_id=315547


in reply to Re: Re: Re: Foo is not a Bar, why?
in thread Foo is not a Bar, why?

I'm on Perl 5.6.1, and it gives me: 
Base class package "Bar" is empty.
        (Perhaps you need to 'use' the module which defines that packa
+ge first.) at test.pl line 10
BEGIN failed--compilation aborted at test.pl line 10.

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If I don't put the sub null {} in, but that wouldn't generally be a problem for a real situation because you'd almost always have something in the package.

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