Why are tuples immutable?

Thomas Heller theller at python.net
Thu Dec 16 13:19:24 CET 2004


"Fredrik Lundh" <fredrik at pythonware.com> writes:

> Antoon Pardon wrote:
>
>> That depends on whether the programmes wants value equality
>> or identity equality.
>
> how does the dictionary know if you want key value equality or key
> identity equality?

Smalltalk has separate Dictionary and IdentityDictionary classes.

Thomas



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