I think that kills the "let's make all dicts ordered" idea, even for CPython. I wouldn't want people to start relying on this. The dict type should be clearly recognizable as the hash table it is.
Making **kwds ordered is still open, but requires careful design and implementation to avoid slowing down function calls that don't benefit. --Guido van Rossum (sent from Android phone) On May 20, 2013 8:25 AM, "[email protected]" <[email protected]> wrote: > On Mon, May 20, 2013 at 6:39 AM, Barry Warsaw <[email protected]> wrote: > > Or in other words, if dicts are to be ordered, let's make it an explicit > > language feature that we can measure compliance against. > Guaranteeing a dict order would be tough on Jython - today it's nice > that we can just have a thin wrapper around ConcurrentHashMap. In a > world with hard ordering guarantees I think we'd need to write our own > from scratch. > > -Frank > _______________________________________________ > Python-Dev mailing list > [email protected] > http://mail.python.org/mailman/listinfo/python-dev > Unsubscribe: > http://mail.python.org/mailman/options/python-dev/guido%40python.org >
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