std.container.RedBlackTree versus C++ std::set

[bearophile]

Steven Schveighoffer:

> Actually, I'm not as smart as you think ;)
>
> There needs to be some extra checking, possibly with the carry 
> flag.
>
> For example:
>
> 0x70000000 - (-0x70000000)
>
> would be less than zero as a resulting integer.
>
> But it would work with shorts or bytes!

I remember a page about such problem in the old D wiki. I was 
unable to find it inside the new D wiki.

Bye,
bearophile