[Python-ideas] Unpacking a dict

[Neil Girdhar]

I actually don't think it will be very hard.

On Wednesday, May 25, 2016 at 5:02:52 PM UTC-4, Eric V. Smith wrote:
>
> On 5/25/2016 4:14 PM, Ethan Furman wrote: 
> > On 05/25/2016 01:08 PM, Eric V. Smith wrote: 
>
> >> x, y = extract(mapping, 'a', 'b') 
> >> print(x, y) 
> >> 1, 2 
> > 
> > Let's pretend you wrote: 
> > 
> >   a, b = extract(mapping, 'a', 'b') 
> > 
> > since that's the way I would almost always be using it. 
> > 
> > The proposal is this: 
> > 
> >   a, b = **mapping 
> > 
> > The advantages: 
> > 
> > - much more readable 
> > - less duplication 
> > 
> > Less duplication might not seem like that big a deal, but it's one of 
> > the motivators behind decorations and in-place operators, which are both 
> > wins. 
>
> I agree that would be a win. That's a lot of compiler magic, though. 
>
> Eric. 
>
>
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