Benjamin wrote: > 2010/4/17 Guido van Rossum <gu...@python.org>: > > On Sat, Apr 17, 2010 at 9:22 AM, Nick Coghlan <ncogh...@gmail.com> > wrote: > >> Guido van Rossum wrote: > >>> Because Python promises that the object the callee sees as 'kwargs' > is > >>> "just a dict". > >> > >> Huh, I thought kwargs was allowed to be implemented as a > >> string-keys-only dict (similar to class and module namespaces) while > >> still be a valid Python implementation. I guess I was wrong. > > > > Actually I don't know about that. Is there language anywhere in the > > language reference that says this? What do IronPython, Jython, PyPy > > actually do? > > Similar to CPython, PyPy has dict versions optimized for strings, > which fall back to the general version when given non-string keys.
IronPython as well. The only place we use a string only dict is for new-style classes whose dict's are wrapped in a dictproxy. _______________________________________________ Python-Dev mailing list Python-Dev@python.org http://mail.python.org/mailman/listinfo/python-dev Unsubscribe: http://mail.python.org/mailman/options/python-dev/archive%40mail-archive.com
