Storing a reference

[Rene Zwanenburg via Digitalmars-d-learn]

On Thursday, 1 September 2016 at 20:38:13 UTC, Yuxuan Shui wrote:
> I think my approach is probably better, because I believe 
> (correct me if I'm wrong): 1) it will never refer to a null 
> object.

That's true, but you can ensure the same thing for the wrapper:

struct Ref()
{
   @disable this();
   this(T* value)
   {
     assert(value !is null);
     this.value = value;
   }
   // rest same as before
}

> 2) after DIP1000 is implemented we will be able to make sure 
> there will be no dangling reference.

I'm not very familiar with the details of DIP1000, so I can't 
comment on that.