>
> And to those who support this PEP, code examples where a dict merge
> operator will help are most welcome!


I would definitely include the example you alluded to in the operators
thread:

Before:

tmp = keep.copy()
tmp.update(separate)
result = function(param=tmp)
del tmp

After:

result = f(param=keep+separate)

Thanks for drafting the PEP for this. There seems to be a bit of an echo in
these 5+ threads, and your commentary has definitely been more
constructive/original than most. Looking forward to the next revision!

Brandt

On Thu, Mar 21, 2019 at 9:42 AM Steven D'Aprano <st...@pearwood.info> wrote:

> I'd like to make a plea to people:
>
> I get it, there is now significant opposition to using the + symbol for
> this proposed operator. At the time I wrote the first draft of the PEP,
> there was virtually no opposition to it, and the | operator had very
> little support. This has clearly changed.
>
> At this point I don't think it is productive to keep making subjective
> claims that + will be more confusing or surprising. You've made your
> point that you don't like it, and the next draft^1 of the PEP will make
> that clear.
>
> But if you have *concrete examples* of code that currently is easy to
> understand, but will be harder to understand if we add dict.__add__,
> then please do show me!
>
> For those who oppose the + operator, it will help me if you made it
> clear whether it is *just* the + symbol you dislike, and would accept
> the | operator instead, or whether you hate the whole operator concept
> regardless of how it is spelled.
>
> And to those who support this PEP, code examples where a dict merge
> operator will help are most welcome!
>
>
>
>
> ^1 Coming Real Soon Now™.
>
>
> --
> Steven
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