"<Type> is not mutable" when using ref return type

[Jonathan M Davis]

> On Thu, 19 May 2011 00:22:42 -0400, Jonathan M Davis <jmdavisProg at gmx.com>
> 
> wrote:
> > On 2011-05-18 20:55, %u wrote:
> >> Hi!
> >> 
> >> Is this a bug, or is it intentional that this fails? I can't come up
> >> with any case where it would cause a problem, but the compiler doesn't
> >> 
> >> like the fact that there's a const in the structure:
> >> struct Temp { const int a; int b; }
> >> 
> >> auto ref foo(Temp* t) { return *t; } //Error
> > 
> > As soon as you do *t, you're copying the value.
> 
> That's not true, if it's ref, it just copies the reference.

Well, I wasn't sure either way, and when I tested it by creating a postblit 
which printed, it printed. So, either I ran into a bug (quite possible), or I 
definitely misunderstood what was going on.

- Jonathan M Davis