[Python-ideas] namedtuple literals [Was: RE a new namedtuple]

[אלעזר]

On Fri, Jul 28, 2017 at 12:51 AM Chris Angelico <rosuav at gmail.com> wrote:

> On Fri, Jul 28, 2017 at 7:22 AM, Pavol Lisy <pavol.lisy at gmail.com> wrote:
>
> > We have:
> > from module import x, y, z  # where order is not important
> >
> > Could we have something similar with ntuple (SimpleNamespace, ...)?
> >
> > maybe:
> > for x, y, z from spam:
> >     print(x, y, z)
>
> What you're asking for is something like JavaScript's "object
> destructuring" syntax. It would sometimes be cool, but I haven't ever
> really yearned for it in Python. But you'd need to decide whether you
> want attributes (spam.x, spam.y) or items (spam["x"], spam["y"]). Both
> would be useful at different times.
>
>
Maybe something like

    {x, y} = point

Or with aliasing

    {x as dx, y as dy} = point

Then you can have

    {'x' as x, 'y' as y, **} = spam


Elazar
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