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Re: changing moose object classes on the go

by moritz (Cardinal)
on Mar 19, 2013 at 18:40 UTC ( #1024356=note: print w/replies, xml ) Need Help??

in reply to changing moose object classes on the go

If I simply bless my $dog into LABRADOR then he won't be golden. How can I resolve this situation?

By creating a new LABRADOR object, and using it instead of the old object. You can reuse the attributes from the original DOG object.

Seriously, changing the type of an object is a an usual requirement, and might point to a flaw in your overall design. If a dog is a labrador, it's already born a labrador. Or phrased differently, time-dependent properties should not encoded in the type.

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[choroba]: How is Bembel different from Krug?
[hippo]: karlgoethebier, Ich habe kein Deutsch.
[Corion]: choroba: A Bembel is a traditional pottery ware, which is only(!) used for serving Cider (well, Apfelwein)
[shmem]: choroba: it's hessisch
[Corion]: Not every Krug is a Bembel!
[karlgoethebier]: there is just the mug: 🍺
[Corion]: A Bembel must look like this
[karlgoethebier]: https://de. wiki/Bembel#/ media/File: Bembel_Zum_blauen_ Bock_1978.jpg
[choroba]: as my friend says, Ich stehe Deutsche ver nicht aber klein ;-)
[Corion]: Krug is generic pottery ware for pouring beverages, but a Bembel is painted with that blue paint and contains only (!) Apfelwein

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