Martin Geisler

> As far as I understand, the example with the `anyhow` example does not use its special `IoError` anymore, unlike the previous example with just `thiserror`. Oh, are you saying...

Thanks, I finally tested this and you're spot on with your explanation :smile:

Hi @luandy64, thanks for reporting this! I believe the problem is that [`thread::scope`][1] became stable just a few releases ago in version 1.63.0. Can you try again with the current...

Hi @luandy64, `mdbook test` work in CI, so I believe the problem is just that your Rust version was too old. Please report back if you keep seeing the problem...

> My understanding is that this chapter _is_ intended to introduce the difference between `.iter()` and `.into_iter()`, thus "What is the type returned by the iterator? Test your answer here:"...

I'll close this since the idea was to let people play with `iter()` and `into_iter()` on their own to notice the differences.

Hi @Arthur-Milchior, > If I got it wrong, it would be nice to at least explain why it’s not sufficient to edit and run in this book. Editing in the...

I could perhaps create a document outside the course which mentions these quirks...

We can now point this out in the speaker notes: #118. The problem with `stderr` is still there, but we'll probably have to fix this upstream.

Hey @daym, thanks for the PR! I was actually trying to use `...` as a place holder there, meaning that there could be more `Tn` types following. But I see...