> never did learn how they understand code otherwise. This particular statement interested me. In code review, I always am a stickler that "if I need to run t

> never did learn how they understand code otherwise. This particular statement interested me. In code review, I always am a stickler that "if I need to run the code in my head to prove something about it for me, I want to see that in a unit test - I shouldn't have questions about the code that aren't already answered by the tests"