std.sumtype nested SumTypes

[ryuukk_]

On Monday, 22 January 2024 at 16:16:56 UTC, NonNull wrote:
> I am defining a new value type (small struct) from some old 
> value types that are already `SumType`s.
>
> So I want to have some `SumType`s as some of the alternative 
> types in another `SumType`.
>
> How  how efficient this is, including space efficient?

Without knowing what you are doing, this sounds like a bad idea, 
i suggest to revise your design