Can someone explain why i can change this immutable variable please?

[Daniel Davidson]

On Wednesday, 9 October 2013 at 15:33:23 UTC, Ali Çehreli wrote:
>
> That string is independent from the argument (i.e. Bar.name). 
> They initially share the same characters. Either of those 
> strings can leave this sharing at will, and that is exactly 
> what name="tess" does. 'name' now refers  to different 
> immutable chars.
>

And to prove it - change main to:

void main(string[] args)
{
     auto bar = new Bar();
     bar.test();
     writeln(Bar.name);
}

and as much as you may want to become tess, you will still be 
gary.