| Tip 7 | Improve Legacy Code |
 | [ââWhite Belt] Maintaining and improving legacy code is a day-one reality. |
Your job would (seemingly) be a lot easier if you could simply take all the crappy old code floating around, trash it, and start over. But thatâs not going to happen, so what do you do about it?
The typical Godzilla legacy code base looks something like this:
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Functions spanning thousands of lines, with a near-infinite number of possible code paths.
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Classes or modules with dependencies on twenty (or more) other classes.
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A comment somewhere reads, âDonât touch this or everything will break!â
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Another comment reads, âAsk Bob before changing ...
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