You can roughly quantify it as the number of things you need to keep in mind when looking at a piece of code. For example, if you need to be aware of how a vari

You can roughly quantify it as the number of things you need to keep in mind when looking at a piece of code. For example, if you need to be aware of how a variable is modified outside of the scope currently on your screen, that makes it harder to reason about. Possibly interesting: https://overreacted.io/the-bug-o-notation/ https://overreacted.io/the-bug-o-notation/