std.sumtype?

[Oleg B]

On Friday, 19 March 2021 at 01:31:59 UTC, Paul Backus wrote:
> On Thursday, 18 March 2021 at 18:42:32 UTC, Oleg B wrote:
>>
>> but read-only tag (kind, type index) is key feature in chouse 
>> between sumtype and other for me, and I hope it will be added 
>> before next compiler release...
>
> https://github.com/pbackus/sumtype/pull/57
> https://github.com/dlang/phobos/pull/7886

Thank you very much!