How can I make this work?

[Vinod K Chandran]

On Sunday, 28 February 2021 at 13:15:47 UTC, Adam D. Ruppe wrote:
> 
> And it is the simplest thing, no missing length, no weird 
> property casting. The GC handled with two simple add/remove 
> calls.

Perfect example of teaching something. Thank you for this 
knowledge. Even though, this was not my problem, Its really 
helpful for me to my future project. :)