[Python-Dev] Alternative to more ABCs [was:] Iterable String Redux (aka String ABC)

[Nick Coghlan]

Raymond Hettinger wrote:
> If we don't do this, then String won't be the last request.  People will 
> want Datetime for example.  Pretty much any concrete type could have a 
> look-a-like that wanted its own ABC and for all client code to switch 
> from testing concrete types.

If I remember rightly, the machinery in the ABC's to support 
registration slows down some other operations with the types - do we 
want to pay that price all the time?

If we do, then it may be a matter of moving some of the registration 
machinery from ABCMeta up into type itself.

Cheers,
Nick.

-- 
Nick Coghlan   |   ncoghlan at gmail.com   |   Brisbane, Australia
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