[Python-3000] Metaclasses in Py3K
greg.ewing at canterbury.ac.nz
Tue Dec 19 02:54:20 CET 2006
> Do you have a specific proposal as to how the information about the
> ordering of definitions could be extracted? I'm assuming that there
> would be an extra attribute that would return a list of keys in the
> order that they were defined.
An extra attribute or method would be one obvious way.
Another way would be to have the existing items() and
iteritems() methods return a list in the appropriate
> One tricky part here is if the same key
> were to be defined twice (i.e. being overwritten the second time), we
> probably would only want it to appear once, probably at the location
> where it was defined last.
That sounds reasonable, but if anyone wanted to argue
that both definitions should be preserved, I wouldn't
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