Re: Discriminants of tagged types

["Yannick Duchêne (Hibou57)" <yannick_duchene@yahoo.fr>]

Le Sun, 31 Oct 2010 17:20:50 +0100, Maciej Sobczak  
<see.my.homepage@gmail.com> a écrit:
> As already said, I've yet to see a convincing example of a type that
> is both justifiably polymorphic and copyable at the same time.
A state (the one of a system of multiple and different objects), a  
continuation point (related to the latter, and subject to copy by  
definition), an application with some kind of internal backup system, an  
artificial-intelligence system, the text model in the black box in any  
kind of editor… and probably some other ideas could come later with a few  
more minutes or hours.

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