[issue10868] ABCMeta.register() should work as a decorator

[Daniel Urban]

Daniel Urban <urban.dani+py at gmail.com> added the comment:

> In what use-cases would you want to call MyABC.register() when defining
> a class instead of inheriting from MyABC?

For example if you don't want to inherit a __dict__ for a tree-like data structure (see also issue11333).

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue10868>
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