I dislike sum-type based error handling. It is annoying syntactically and only really doable with lots of high-level combinators, which in turn hinder debuggability.

I'm dealing with Rust based error handling now and nesting `match` statements is not exactly very happy. Or having to pull in `anyhow` and dealing with its awful awful documentation.

Have you tried the approach that Zig has, or the approach that Rust has? They are easy to debug and do not use any crazy stuff, just simple syntax like `try x()` (Zig) or `x()?` (Rust)