ref auto getRange() return scope move struct ?

[Newbie2019]

On Friday, 16 August 2019 at 12:23:01 UTC, Newbie2019 wrote:
> I has this simple function has some memory bugs:
>
> -------
> struct TreeRange {
> 	@disable this() ;
> 	@disable this(this) ;
> }
> struct Tree {
> 	ref auto getRange() return scope {
> 		return TreeRange!T(_root);
> 	}
> }
> Tree tree;
> auto range = tree.getRange();
> ------
>
> when I trace the issue, I find the address for TreeRange is 
> moved.  it TreeRange.__ctor the address is 0x7ffeefbfd168,   
> but "auto range = tree.getRange();" address is 0x7ffeefbfd420
>
>
> How to prevent this struct move in this case ?

With dip1014 I can fix the internal pointer(but I guess It will 
need maybe 1 years late to implement).  Right now I just want 
forbit the move action,  is it doable ?