> as long as the function name for it is somewhat understandable But does using a function, essentially a box with known inputs and outputs, constitute actuall

> as long as the function name for it is somewhat understandable But does using a function, essentially a box with known inputs and outputs, constitute actually understanding the function? What happens if you need to debug or understand the implementation of it? Now the original name has gone and you're looking at a larger number of differently-named things that hopefully communicate their intent well. But if you need to understand _those_, and so on...