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Re: Immutability and Python

Started byTerry Reedy <tjreedy@udel.edu>
First post2012-10-29 13:48 -0400
Last post2012-10-29 13:48 -0400
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  Re: Immutability and Python Terry Reedy <tjreedy@udel.edu> - 2012-10-29 13:48 -0400

#32409 — Re: Immutability and Python

FromTerry Reedy <tjreedy@udel.edu>
Date2012-10-29 13:48 -0400
SubjectRe: Immutability and Python
Message-ID<mailman.3037.1351532928.27098.python-list@python.org>
On 10/29/2012 11:20 AM, andrea crotti wrote:
> I have a philosofical doubt about immutability, that arised while doing
> the SCALA functional programming course.

In real life, the physical world, things have mutable state, at least 
down to the atomic level. Do you only want to model mathematical worlds, 
or also physical worlds.

Even mathematically, I do not think there necessarily a problem with 
mutable collections. The fact that sets are defined by content does not 
mean that everything has to be.

-- 
Terry Jan Reedy

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