Using class as key in NSDictionary

Question

I\'m writing a contextual \"factory\" that will maintain a dictionary of converter/acting objects which inherit from some Converter class. This class has a method:

Answer 1

Your other option is to use [NSValue valueWithNonretainedObject:yourObjectHere] to construct the key from something other than a string. I ran into a similar problem and I wanted to use a CoreData object as the key and something else as the value. This NSValue method worked perfect and I believe was it's original intent. To get back to the original value just call nonretainedObjectValue