I'm dusting off a Rust project from 2016, and it's striking how much the ecosystem has grown. For example, I used getopts then whereas clap is delightful and does so much now.
miniblog.
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I've started using DNSControl for configuring DNS for my personal domains and it's been delightful. Declarative DNS!
I get comments (the DSL is just JS), history (it's in git) and trivial rollback! I've switched my DNS provider to Hetzner (which is free!) to use this.
I'm still not sure whether a language should include a "kitchen sink linter" like Rust's clippy or have a package oriented "thousand flowers bloom" linter like eslint for JS and TS.
Clippy is delightful out of the box but eslint makes it so easy to have project specific lints.
Some delightful examples of good compiler error messages in the latest Gleam release: