Variable below zero but if statement doesn't grab?

[Ali Çehreli via Digitalmars-d-learn]

On 12/27/2015 07:53 AM, TheDGuy wrote:
> Any idea what i am doing wrong?
> https://www.youtube.com/watch?v=j_VCa-5VeP8

YouTube says that the video has been removed by the user. That's exactly 
the reason why I don't like even dpaste. There is no guarantee that such 
threads will be useful forever. :) For me, sample code should be right 
here, and it should be short enough to practically be here.

Ali