This is just a comment about implicit vs. explicit state. What you described is not inherent to OO, though of course it's much easier to have implicit state in

This is just a comment about implicit vs. explicit state. What you described is not inherent to OO, though of course it's much easier to have implicit state in OO. I'm working in a codebase now that is very OO, but also is very diligent about having state be explicit. The exercise you described would also be 2 lines of code in this project.