Need a metavalue singleton kinda thingy as a reserved key...

holger krekel pyth at
Sun Aug 11 16:46:15 CEST 2002

Noah wrote:
> I have a class where you can add values to a dictionary.
> I want to have a special meta key that I can use to reserve a spot
> in the dictionary. The problem is that the keys in the dictionary
> can be almost anything including None, so I can't use None as my
> reserved value. Plus I may want to defined more than one reserved key. 
> Is there a smarter way to create meta values to denote reserved keys?

Would you mind describing the problem where this is supposed to be
the solution for? 


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