auto ref and non-templated functions

[Namespace]

> If nothing else, it doesn't work for classes, because templated 
> functions
> can't be virtual. Also, it forces you to put the entire 
> function's
> implementation in a .di file if you use .di files, which makes 
> it untentable for
> many of the folks who actually need to use .di files.
>
> We need a solution which doesn't involve templates.
>
> - Jonathan M Davis

  +1