std.sumtype?

[Paul Backus]

On Sunday, 29 August 2021 at 14:00:30 UTC, Oleg B wrote:
> Paul, have you any plans to update `std.sumtype` to actual 
> version of `sumtype` (1.1.x)?
>
> `typeIndex` is needed

I did. The change was reverted by Atila Neves:

https://github.com/dlang/phobos/pull/7922

He was not satisfied with the rationale given in this thread for 
adding `typeIndex`. Since you use it yourself, you can probably 
give a better example use-case than I did; feel free to add your 
own comment to the discussion.