[Python-ideas] [Fwd: Re: Support other dict types for type.__dict__]

[Ethan Furman]

[forwarding on to list]

On 27/02/2012 18:46, Ethan Furman wrote:
>> I suggested a "mutable" attribute some time ago.
>> This could lead to finally doing away with one of Python's FAQs: Why 
>> does python have lists AND tuples?  They could be unified into a 
>> single type.
>
> If a tuple is just an immutable list it will become worse with regards 
> to performance and memory space.
>
> ~Ethan~
>
Doesn't that depend on how smart the implementation is?
(Of course, toggling the mutable flag could cause performance penalties,
but that's something you can't do at all at the moment.)
Rob