[Python-Dev] Any grammar experts?

Ethan Furman ethan at stoneleaf.us
Mon Jan 26 21:22:20 CET 2015

On 01/26/2015 12:09 PM, Antoine Pitrou wrote:
> On Mon, 26 Jan 2015 12:06:26 -0800
> Ethan Furman <ethan at stoneleaf.us> wrote:
>> It destroy's the chaining value and pretty much makes the improvement not an improvement.  If there's a possibility that
>> the same key could be in more than one of the dictionaries then you still have to do the
>>   dict.update(another_dict)
> So what? Is the situation where chaining is desirable common enough?

Common enough to not break it, yes.

> Not every new feature warrants a syntax addition - especially when it
> raises eyebrows as here, and ends up being as obscure as Perl code.

Not sure what you mean here -- the new feature is a syntax addition (or more appropriately a generalization of existing


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