Apparently unsigned types really are necessary

[Kagamin]

On Sunday, 22 January 2012 at 09:31:15 UTC, Marco Leise wrote:
> So everyone uses int, and we get messages like: "This program 
> currently uses -1404024 bytes of RAM". I have strong feelings 
> against using signed types for variables that are ever going to 
> only hold positive numbers, especially when it comes to sizes 
> and lengths.

If you ignore type limits, you're asking for trouble. Imagine you 
have 2 gigs of ram and 3 gig pagefile on 32-bit OS. What is the 
total size of available memory?