10 Never be afraid to add code
This chapter covers
- Recognizing symptoms of fear of adding code
- Overcoming fear of adding code
- Understanding the trade-offs of code duplication
- Committing to backward compatibility
- Lowering risk by using feature toggles
Having discussed the maladies of code in the previous chapter, it is easy to get scared of writing it. After all, the conclusion to chapter 9 was that code adds cost. When talking about code, another source of fear is not writing perfect code. Considering how many ways code can be flawed, perfection is an utterly unrealistic goal. Many considerations play into “perfection”: performance, structure, level of abstraction, ease of use, ease of maintenance, novelty, creativity, correctness, security, ...
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