http://wiki.dlang.org/DIP25

[Manu via Digitalmars-d]

On 31 December 2014 at 16:12, Manu <turkeyman at gmail.com> wrote:
>
> Your view on ref only stands true in an 'everything is D' world, which
> we are clearly not in, and I don't see any risk of that happening any
> time soon. I'm suspect it may never happen.

And even then, passing by value in not something you would do! Why
would you ever pass some big struct by value? Are you relying on the
inliner? Inliners only inline tiny functions.
What about unoptimised/debug performance?