Sure, real life programs are very complex. But that doesn't stop you from testing and refactoring whatever local point you need to touch, so that you can get th

Sure, real life programs are very complex. But that doesn't stop you from testing and refactoring whatever local point you need to touch, so that you can get the job done easier. My hunch is that moving pure-functions and pure-objects out of the spaghetti will gradually eat away at the spaghetti.