core.checkedint

[Andrei Alexandrescu via Digitalmars-d]

On 06/24/2016 09:42 PM, Andrei Alexandrescu wrote:
> long x = -1;
> auto y = array.length + x;
>
> I would be hard pressed to acknowledge that as an overflow that needs to
> be dynamically signaled. And the beauty of two's complement is that
> indeed it just works.

To clarify: if array.length is 0, then indeed that should be signaled as 
an error. But otherwise it should just go through, no overflow. -- Andrei