this post was submitted on 22 Oct 2024
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It depends, if you work in a statically typed language you can just use a tool to refactor. I bet a ton of advice is from JavaScript programmers where it's simply not safe to do this.
My first job doing JavaScript I realized the IDE's refactor tool wasn't aware that two variables of the same name were in fact a different variable. Due to how scoping works, it's hard to write a reliable tool to rename variables for JS. I accidentally introduced a bug renaming a variable.