miniblog.

I suspect every programming language eventually becomes dated. As soon as you commit to 1.0, you will have design decisions that (with hindsight) are mistakes, and you can't fix them. Design best practices change over time too. Immutability is a more common default now.

One nice property of autoformatters: they're a really fast way to do a quick syntax check. Especially with a slow build process, it's a good check for dumb mistakes.

Lessons learned from writing a linter/static analysis tool for shell scripts: https://www.vidarholen.net/contents/blog/?p=859 (Preserve positions, use error codes and document them, and there's a tradeoff between beginner mistakes and advanced mistakes!)