dmd 1.046 and 2.031 releases

[Walter Bright]

Derek Parnell wrote:
> On Mon, 06 Jul 2009 00:11:26 -0700, Walter Bright wrote:
> 
>> Derek Parnell wrote:
>>> I'm struggling to see why the compiler cannot just disallow any
>>> signed<->unsigned implicit conversion? Is it a matter of backward
>>> compatibility again?
>> What's the signed-ness of 5?
> 
> Positive. A positive number can be assigned to an 'int' if there is no size
> issue.

It can also be an unsigned.

> What's the problem that I'm obviously missing?
>  
>> When you index a pointer, is the index signed or unsigned?
> 
> An index can be either. What's the problem here?

auto x = p1 - p2;

What's the type of x?