Why is this not allowed?

[Sergey]

On Tuesday, 8 October 2024 at 07:07:44 UTC, ryuukk_ wrote:
> On Monday, 7 October 2024 at 19:34:00 UTC, Sergey wrote:
>> On Saturday, 5 October 2024 at 06:35:57 UTC, ryuukk_ wrote:
>>> all other C like languages allow me to be concise
>>
>> Which one btw? Except C++
>>
>> C#, Go and Zig seems against this functionality..
>
> Don't lie brother

Thanks. when I googled "nested unnamed structs" it showed me some 
rejected DIPs