2 ms·

He was talking about the chain of function calls not crates. You still have that in your top level crate.

• wtetzner 5mo ago
  Except anyhow is compatible in that direction. io::Error and thiserror types will automatically convert to anyhow errors.
  • IshKebab 5mo ago
    In my experience it's not quite as automatic as you'd hope. I always often to throw in stuff like `.map_err(Into::into)` or `Ok(foo?)` to convert the errors. Not the end of the world but I do think defending the proliferation of error types in typical Rust projects is copium.
    • wtetzner 5mo ago
      Yes, `?` automatically does `.into()`. There are plenty of reasons you can complain about Rust's error handling, but "proliferation of error types" feels like a misunderstanding of how Rust error handling works in the first place.