At 80 lines I can stack comfortably 3 windows of code on a medium-size screen. At a large screen, 4 windows of code. It is actually very useful. Function takes

At 80 lines I can stack comfortably 3 windows of code on a medium-size screen. At a large screen, 4 windows of code. It is actually very useful. Function takes parameter that's a class instance, then you call a method on the return value... and you can see the code to all those at the same time.