Stable D version?

[deadalnix]

On Tuesday, 23 April 2013 at 06:23:56 UTC, Chris Cain wrote:
> On Tuesday, 23 April 2013 at 06:10:00 UTC, deadalnix wrote:
>> You want to explain why the code is bugguy.
>
> Sure. He didn't know the behavior of "==" on structs and didn't 
> realize it tests for identity by default. Structs require an 
> opEquals defined to differ from this behavior.

Ho yes, so please explain what is this behavior, I'd be pleased 
to know.