On Mon, Aug 24, 2020 at 9:54 AM Random832 <random...@fastmail.com> wrote:
> On Mon, Aug 24, 2020, at 00:43, Christopher Barker wrote:
> > But thus brings up a broader question:
> >
> > Why not allow slice syntax as an expression everywhere? Everywhere I’ve
> > tried, it’s a syntax error now, but is there any technical reason that
> > it couldn’t be used pretty much anywhere?
>
> is {a:b} a set containing a slice, or a dict? obviously it's a dict, but
> are there any other places that might be affected? what about other forms
> of slices, or if it's not the only element? should we support {a, b:c} as a
> set containing a slice? what about {a:b, c}?
>
> there may be other places it might be desirable to add new syntax that
> uses the colon character, allowing slices anywhere would foreclose that.
>
{a:b} is a dict, {(a:b)} is a set containing one slice.
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