On 4/17/20 3:04 PM, Andrew Barnert wrote:
> I can't think of any either...
> You know, an ellipsis is about the farthest thing from an *unmarked*
> elision that you can get [without brackets and reinsertion of a more
> verbose version of the thing you wanted to elide -ed].
Anyone who has read Celine...knows that ellipses...often are inline
operators. Not just for aposiopesis.
> Multiple people in this thread have criticized the proposal without
> any of them stumbling on what { :spam, :eggs } is intended to mean, at
> least one person noticed that it’s similar to Lisp symbols, one other
> person proposed the exact same thing, etc., and as far as I know all
> of those people are native (at least certainly fluent) speakers of a
> LTR-written language (as were the designers of Lisp, most of the C
> committee, etc.).
I think I'm the first person to mention Lisp symbols. Maybe not
though. I have a very different expectation about what `:spam` would
mean based on that analogy than the intended meaning. I could learn the
semantics, of course. However, proposals for symbols in Python *do* pop
up from time to time, so this would perhaps make such a thing harder if
it ever becomes desired (which is unlikely, but possible).
My first reading when I see the syntax, however, is something like "that
is a set taken from enumerated values" (per the symbol meaning). Being
a magic dictionary would be somewhere down the list of the guesses I
would make if I had not seen this discussion... of course, if I was
suddenly given a copy of Python 5.2, transported from the distant
future, I would really just type it in the REPL and probably see a
representation that cued me in.
On Fri, Apr 17, 2020 at 3:59 PM David Mertz <me...@gnosis.cx> wrote:
> I'm kinda leaning -0.5 even on the form that I think is least bad (the
> mode switch approach).
>
> If typing the same variable from the caller to use in the parameter is
> really too much repetition, you could maybe just do this:
>
> >>> render_template("index.html",
> ... username="display_name",
> ... setups="setups",
> ... **Q("x y z"))
> ('index.html',)
> {'username': 'display_name', 'setups': 'setups', 'x': 1, 'y': 2, 'z': 3}
>
> Perhaps the spelling of `Q` might be something else. But in terms of
> character count, it's not worse than other proposals.
>
> And luckily all you need to do this is get a version of Python later than
> 1.4 or something like that. :-)
>
> >>> def Q(names):
> ... import sys
> ... caller = sys._getframe(1)
> ... dct = {}
> ... for name in names.split():
> ... dct[name] = eval(name, globals(), caller.f_locals)
> ... return dct
>
>
> On Fri, Apr 17, 2020 at 2:41 PM Paul Svensson <paul-pyt...@svensson.org>
> wrote:
>
>> For what it's worth, I'm a strong -1 on this whole thing, regardless of
>> syntax.
>> I think passing a lot of same-named parameters is an anti-pattern, that
>> should be discouraged, not made easier.
>> Passing an occasional x=x to so some function no disaster;
>> if it happens often enough to be a problem, IMNSHO, you should look to
>> change your coding style, not the language.
>>
>
> --
> Keeping medicines from the bloodstreams of the sick; food
> from the bellies of the hungry; books from the hands of the
> uneducated; technology from the underdeveloped; and putting
> advocates of freedom in prisons. Intellectual property is
> to the 21st century what the slave trade was to the 16th.
>
--
Keeping medicines from the bloodstreams of the sick; food
from the bellies of the hungry; books from the hands of the
uneducated; technology from the underdeveloped; and putting
advocates of freedom in prisons. Intellectual property is
to the 21st century what the slave trade was to the 16th.
_______________________________________________
Python-ideas mailing list -- python-ideas@python.org
To unsubscribe send an email to python-ideas-le...@python.org
https://mail.python.org/mailman3/lists/python-ideas.python.org/
Message archived at
https://mail.python.org/archives/list/python-ideas@python.org/message/F7OZGW33X666IP4EFEZFHFUPBNCOSYE6/
Code of Conduct: http://python.org/psf/codeofconduct/
