AssignOp across seems far better than gang increment. Better yet...
Thing1 += Thing2
With things being [3]float64 or struct{ r,g,b float64} which I do constantly
The dream would be:
Thing1 += f*Thing2
Which is the full desire, vs:
P := fb[y*stride+x]
P.r += f*fragment.r
P.g += f*fragment.g
P.b += f*fragment.b
I have much of this
On Wed, Feb 28, 2018 at 5:45 PM Ian Lance Taylor <i...@golang.org> wrote:
> On Wed, Feb 28, 2018 at 4:53 PM, Alex Dvoretskiy
> <advoretski...@gmail.com> wrote:
> >
> > When I'm doing assignments to multiple variables in one line, there is a
> > limitation.
> >
> >
> > You can do it in this way:
> > w, x = w+i, x+i+i
> >
> > But can't in this one:
> > w, x += i, i+i
> >
> >
> > What do you think, it was done on purpose or this is something worth for
> > change proposal?
>
> It was done on purpose, which is to say that there never seemed to be
> a reason to add it. It rarely comes up in practice, and it's not
> obvious whether it's better to support `v1, v2 :+ inc1, inc2` or `v1,
> v2 += inc` (which adds `inc` to both `v1` and `v2`).
>
> Ian
>
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--
Michael T. Jones
michael.jo...@gmail.com
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