OK to do bit-packing with GC pointers?

[Ola Fosheim Grøstad]

On Saturday, 23 July 2022 at 08:32:12 UTC, Ola Fosheim Grøstad 
wrote:
> Also `char*` can't work as char cannot contain pointers. I 
> guess you would need to use `void*`.

Well, that is wrong for the standard collection where the typing 
is dynamic (based on allocation not on type system). Then any 
pointer should work as long as it stays within the boundary of 
the allocated object.