On Mon, Oct 7, 2019 at 8:34 PM Steven D'Aprano <st...@pearwood.info> wrote:
> On Mon, Oct 07, 2019 at 02:22:22PM +0100, Rhodri James wrote:
> > On 04/10/2019 20:34, Caleb Donovick wrote:
>
> > >```
> > >where_x_1 = db[x=1]
> > >```
>
> which would be equivalent to the existing syntax
>
> where_x_1 = db[{'x': 1}]
>
>
> [Rhodi]
> > OK, I'm not sure what you're trying to do here, which all on its own
> > says that what you're doing isn't self-explanatory.
>
> I think it is pretty self-explanatory. Caleb wants to allow passing
> arguments to ``__getitem__`` by keyword, not just position.
>
> Subscripting obj[x] is, effectively, an alternate form of function call
> syntax with a number of differences and restrictions compared to obj(x):
>
> - calls the ``__getitem__`` dunder instead of ``__call__`` dunder
>
> - by convention, is supposed to be used for item indexing, key
> lookups, and type annotations, rather than arbitrary uses
>
> - the syntax is different, and highly restricted, compared to regular
> function calls:
>
> 1. there is no zero-argument form
>
d[...]
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