Hi

I need to get unique identifiers for all objects I'm passed for use as keys in an NSMutableDictionary. I tried using hash but I don't know if that would really be unique. It seems like the console printout for classes with no "description" method would be perfect. I know how to get the class but how to get the object address in hex? Here's a partial solution

[NSString stringWithFormat: @"<%@ %???>", [[someObject class] description], someObject];

Is there a format code that would give me the address in hex?

Thanks for any help
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