miniblog.

I would have thought that invoking a C compiler would be a solved problem. Looking at Rust's cc crate there's a remarkable long tail of corner cases to fix. Exotic CPUs, microarchitectures, compiler differences, operating system differences, etc. https://github.com/rust-lang/cc-rs/blob/main/CHANGELOG.md

Some delightful examples of good compiler error messages in the latest Gleam release: https://gleam.run/news/context-aware-compilation/

I'm working on arity errors in Garden, my toy programming language. Rather than just saying "expected 3, got 4 arguments", I'm trying to report where the extra argument is, or what extra argument was expected.