I came here to say essentially the same thing. It seems like this helps students learn programming, and, in some sense, we're all students of whatever new piece

I came here to say essentially the same thing. It seems like this helps students learn programming, and, in some sense, we're all students of whatever new piece of code we're working with today. Some teachers have worked out a fairly comprehensive diagramming scheme for code [0], if you want to take it that far. [0] "Memory Diagrams: A Consistent Approach Across Concepts and Languages", Toby Dragon and Paul E. Dickson