Do Repeat Yourself
意図してコードを複製する、もしくは共通化を排除する例。
https://sandimetz.com/blog/2016/1/20/the-wrong-abstraction
https://testing.googleblog.com/2019/12/testing-on-toilet-tests-too-dry-make.html
https://testing.googleblog.com/2024/05/dont-dry-your-code-prematurely.html
https://news.ycombinator.com/item?id=11042400
https://yosefk.com/blog/redundancy-vs-dependencies-which-is-worse.html
https://twitter.com/minodriven/status/1127539251761909760
https://twitter.com/minodriven/status/1353251239237095430