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All the Perl that's Practical to Extract and Report

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  • If inheritance was as important in design as generally seems to be believed, then CPAN would consist mostly of derived classes, with only a relatively small number of base classes.

    Perhaps you would, if CPAN modules generally had good design (I'm not willing to make that assumption in general) or if module authors were truly egoless programmers (I point you to templating systems, argument processing modules, web frameworks, class creation modules...).

    Polymorphism is useful only when you have a subclass