Quidquid latine dictum sit, altum sonatur.To foil the maintenance programmer, you have to understand how he thinks. He has your giant program. He has no time to read it all, much less understand it. He wants to rapidly find the place to make his change, make it and get out and have no unexpected side effects from the change.
Whatever is said in Latin sounds profound.
He views your code through a toilet paper tube. He can only see a tiny piece of your program at a time. You want to make sure he can never get at the big picture from doing that. You want to make it as hard as possible for him to find the code he is looking for. But even more important, you want to make it as awkward as possible for him to safely ignore anything.
Programmers are lulled into complacency by conventions. By every once in a while, by subtly violating convention, you force him to read every line of your code with a magnifying glass.
You might get the idea that every language feature makes code unmaintainable — not so, only if properly misused.
Refactoring is a most emotionally-satisfying activity. It is second only to sex. Your own inchoate intention suddenly shines through with blinding clarity.
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