Does D really need something like const&?

[Steven Schveighoffer]

On Fri, 01 Mar 2013 18:05:12 -0500, Namespace <rswhite4 at googlemail.com>  
wrote:

> I know about 'auto ref'. Nice try but ... ;)

Nice try?  I don't get this.  It was supposed to be the analogue to C++  
rvalue references, Walter did not implement it as Andrei expected (AIUI).   
He made it a (admittedly useful) template feature.

>> Need fine control over lifetime?
> scope and scoped give you the possibility to put a class instance on the  
> stack so you have also controll over the instance lifetime.
> -> No reason for struct.

scoped is implemented via a struct...

> Interfaces, well, but I'm sure you can live without them sometimes.

OK, so by eliminating my use cases that are problematic for your theory,  
yes, I guess I can base all my decisions on size ;)

-Steve