Oops, meant for the list:
> >>
> >> > Chris seems to accept that sometimes you can use a dict subclass, and
> >> > that my proposal will give some representation of "practical
> >> > experience".
> >>
> >> I said "definitely won't", not "will give some". So, no.
> >
> >
> > Jonathan: Chris A. is
04.03.19 15:43, Serhiy Storchaka пише:
01.03.19 12:44, Steven D'Aprano пише:
On Fri, Mar 01, 2019 at 08:47:36AM +0200, Serhiy Storchaka wrote:
Also, if the custom dict subclass implemented the plus operator with
different semantic which supports the addition with a dict, this change
will break
On Fri, Mar 22, 2019 at 07:59:03AM +, Jonathan Fine wrote:
> Steven D'Aprano wrote:
>
> > (For the record, the PEP isn't set in stone in regards to the choice of
> > operator.
>
> Steven: Please say what parts of the PEP you consider to be set in
> stone. This will allow discussion to focus
Python fits well in the mind, because (1) by design it reduces
cognitive load, and (2) it encourages its users to reduce cognitive
load, and (3) we have a culture of reading code, taking pride in our
code. Readability counts.
https://en.wikipedia.org/wiki/Cognitive_load
Steven D'Aprano says that
Steven D'Aprano wrote:
> (For the record, the PEP isn't set in stone in regards to the choice of
> operator.
Steven: Please say what parts of the PEP you consider to be set in
stone. This will allow discussion to focus on essentials rather than
details.
--
Jonathan
On Fri, Mar 22, 2019 at 6:47 PM Jonathan Fine wrote:
>
> Chris Angelico wrote:
>
> > The trouble with that is that you can't always use a dict subclass (or
> > a non-subclass MutableMapping implementation, etc, etc, etc). There
> > are MANY situations in which Python will give you an actual real
On Fri, Mar 22, 2019 at 1:58 PM David Mertz wrote:
>
> On Thu, Mar 21, 2019, 10:15 PM Steven D'Aprano wrote:
>> > Of course I could learn it and teach it, but it will always feel
>> > like a wart in the language.
>>
>> Would that wartness be lessoned if it were spelled | or << instead?
>
> Yes,
Chris Angelico wrote:
> The trouble with that is that you can't always use a dict subclass (or
> a non-subclass MutableMapping implementation, etc, etc, etc). There
> are MANY situations in which Python will give you an actual real dict,
> and it defeats the purpose if you then have to construct
On 3/22/2019 12:53 AM, Steven D'Aprano wrote:
On Thu, Mar 21, 2019 at 09:36:20PM -0400, Terry Reedy wrote:
I counted what I believe to be 10 instances of copy-update in the top
level of /lib. Do either of you consider this to be enough that any
addition would be worthwhile.
I think you're
