Nope :) This is being used everyday in production by most financial institutions. https://code.kx.com/wiki/Cookbook/InterfacingWithC

I've been told that the guy who wrote this believe that the brain only has a limited buffer to compute source code. So he is trying to use the shortest code possible everywhere.

I think looking at this code has already caused a buffer overrun in my brain ;)

"This is being used everyday in production by most financial institutions" — you can't be serious...

KDB developers make BIG money. It's an APL-like language and used to analyze financial time-series.

I'm not surprised, it's an APL family language.

It looks more like the guy that wrote this wanted good job security and pay, and ended up making and industry with good job security and pay.