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NOTE: use Perl; is on undef hiatus. You can read content, but you can't post it. More info will be forthcoming forthcomingly.

All the Perl that's Practical to Extract and Report

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  • the first time I heard about this concept was in 1996, studying the Java interface keyword. And the next step is "programming oriented to the interface", thinking in classes is bad. You must design witn roles in mind.
    • Interfaces are a special case of Roles actually. They are effectively pure abstract Roles. Roles however can provide a default implementation of a contracted (this is also called Design By Contract) method. This is why the override warning was removed from Moose (it did have this behavior for a very short period of time). The warning was penalizing a valid idiom.