question about the implementation of Variant

[aki via Digitalmars-d-learn]

Thank you, Jonathan. Now I understand.

On Monday, 4 January 2016 at 17:34:47 UTC, Kapps wrote:
> union
> {
>     ubyte[size] store;
>     // conservatively mark the region as pointers
>     static if (size >= (void*).sizeof)
>         void*[size / (void*).sizeof] p;
> }

Interesting to know the way to make GC detect the presence of the 
potential pointer.

Regards, aki.