[Python-ideas] Proposal for special name and qualname symbols

[Barry Scott]

What is the behavour in this case:

   mydict[ index ] = Record( __LHS__ )

I expect ther are others to consider like +=.

I suspose if there is reasonable semantics raise SyntaxError?

Barry


Barry


> On 8 Jun 2016, at 22:10, Barry Warsaw <barry at python.org> wrote:
> 
>> On Jun 08, 2016, at 12:43 PM, Nikolaus Rath wrote:
>> 
>> This is so similar (in both semantics and syntax) to the
>> 
>> Record = namedtuple($lhs, fields)
>> 
>> proposal that I've made several times in that thread that I am a little
>> offended. Either you've not read that thread all that thorougly, or you
>> have a rather selective memory.
> 
> It's of course quite easy to miss a specific suggestion in the various
> millithreads on this list, or not quite connect the dots to see the
> similarities on the initial read.  Just be happy that great minds think
> alike. :)
> 
> On to the topic at hand, when I saw your suggestion and Steve's I immediately
> thought I'd like to see a special symbol like __LHS__, e.g.
> 
> Record = namedtuple(__LHS__, fields)
> 
> which would at least have the benefit of not introducing a special character,
> and one that could be confusing in other contexts (e.g. PEP 292 strings).
> 
> Cheers,
> -Barry
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