> but suffers from its design around global state - which is something I spend most of the semester railing against. You can introduce subject as another execu

> but suffers from its design around global state - which is something I spend most of the semester railing against. You can introduce subject as another execution environment like OS and keep globals-free "clean" code. Actually it's a great lesson. Also you can give mind-bending article[1] as alternative study material. [1] https://blog.cleancoder.com/uncle-bob/2015/07/01/TheLittleSingleton.html https://blog.cleancoder.com/uncle-bob/2015/07/01/TheLittleSi...