Mutable objects which define __hash__ (was Re: Why are tuples immutable?)

Nick Coghlan ncoghlan at
Thu Dec 23 13:04:27 CET 2004

Antoon Pardon wrote:
> I don't understand why the ease of mutating an object that should remain
> stable should cause more unease in a person just because the subject
> is dictionary keys, except maybe because of custom.
> But I'm obviously in the minority here.

Nah - just fighting against long-held assumptions. Those don't get changed 
overnight - it takes at least a couple of days :)


Nick Coghlan   |   ncoghlan at   |   Brisbane, Australia

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