[Python-ideas] PEP: Dict addition and subtraction

Antoine Pitrou solipsis at pitrou.net
Thu Mar 21 13:06:36 EDT 2019

On Fri, 22 Mar 2019 03:42:00 +1100
Steven D'Aprano <steve at pearwood.info> wrote:
> 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.

I'd rather see a method.  Dict merging just doesn't occur often enough
that an operator is desirable for it.

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

Yes, I still have no idea why this operator would supposedly be
useful.  How many dict merges do you write per month?



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