I agree, the mask/not/and is standard within systems contexts. It need not be cognitive overhead, not to be elitist but if you don't have a copy of hacker's de

I agree, the mask/not/and is standard within systems contexts. It need not be cognitive overhead, not to be elitist but if you don't have a copy of hacker's delight or the ability to understand constructs like this, you have no business writing systems-level code.