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[Python-Dev] Add a frozendict builtin type
Antoine Pitrousolipsis at pitrou.net
Tue Feb 28 12:53:27 CET 2012
On Tue, 28 Feb 2012 12:45:54 +0100Victor Stinner <victor.stinner at haypocalc.com> wrote:> > I think you need to elaborate on your use cases further, ...>> A frozendict can be used as a member of a set or as a key in a dictionary.>> For example, frozendict is indirectly needed when you want to use an> object as a key of a dict, whereas one attribute of this object is a> dict.It isn't. You just have to define __hash__ correctly.> frozendict helps also in threading and multiprocessing.How so?RegardsAntoine.
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