Re: dmd 1.046 and 2.031 releases

[Denis Koroskin]

On Mon, 06 Jul 2009 14:28:38 +0400, Walter Bright  
<newshou...@digitalmars.com> wrote:

Denis Koroskin wrote:
auto x = p1 - p2;
What's the type of x?
 ptrdiff_t, signed counterpart of size_t

Do you really want an error if you go:

size_t y = p1 - p2;

?


Of course, what sense does it make when p2 > p1?

I'd put an assert and mad a case explicit, if there is a size_t is so  
badly needed for ptr difference:

assert(p1 >= p2);
size_t y = cast(size_t)p1 - p2;