If this book is not about pretty code, it is even less about pretty design. Good design should be a goal for all of us, but in legacy code, it is something that we arrive at in discrete steps. In some of the chapters, I describe ways of adding new code to existing code bases and show how to add it with good design principles in mind. You can start to grow areas of very good high-quality code in legacy code bases, but don’t be surprised if some of the steps you take to make changes involve making some code slightly uglier. This work is like surgery. We have to make incisions, and we have to move through the guts and suspend some aesthetic judgment. Could this patient’s major organs and viscera be better than they are? Yes. ...
- from Working Effectively with Legacy Code, First Edition
- Publisher: Prentice Hall
- Released: September 2004
I will never tell myself this enough. Hammer it into your head.
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