[Python-ideas] slice[] to get more complex slices

[Serhiy Storchaka]

23.07.18 18:16, Guido van Rossum пише:
> On Mon, Jul 23, 2018 at 3:24 AM, Jeroen Demeyer 
> <J.Demeyer at ugent.be 
> <mailto:J.Demeyer at ugent.be>> wrote:
> 
>     On 2018-07-23 11:58, Grégory Lielens wrote:
> 
>         Not sure slice[1::3] can be done
> 
> 
>     It can be done. Since "slice" is a class, it would require a
>     metaclass though.
> 
> 
> Since PEP 560 it won't need a metaclass -- it can be implemented as 
> __class_getitem__.

Do you bless using __class_getitem__ for something other than typing?