Is Nullable supposed to provide Optional semantics?

[Chris Paulson-Ellis]

On Friday, 29 December 2017 at 21:34:27 UTC, vit wrote:
> use:
>    n = Nullable!Object.init;   //doesn't call destroy
>
> instead of:
>    n.nullify();

Only nullify() can make isNull return true again. I need that 
semantic.