Chris Krycho

Thanks for reporting this! I agree that we should make sure that *all* the playground links get generated using the edition in the `Cargo.toml` file. We can do that using...

I merged a baseline change for this in #3974, as it passed CI so things which have a *hard* requirement on it all pass. We likely still want to do...

I just circled back to this and checked on things, and I *think* the fix I landed to handle this did indeed handle everything we needed here. We will need...

Ah, good catch. This one is a case where the way this code was written originally *did* require a mutable reference, because it was originally written like this, using [`std::io::Read::read`][read],...

I see why you stumbled over this! However, the book answers your question if you keep reading: we don’t want ownership here because we want to get an answer about...

Ah, interesting bit of evolution of the text there—thanks for opening this! We will think on the best way to proceed.

We should also update it to use the language of “dyn compatibility”, since the language has intentionally switched to that—and wow is it ever a less confusing term!

I opened #4129 to address this. It very briefly—just a single sentence—introduces the concept and links to the reference for it at the end of 18.2, so that the reference...

Thanks for the note! I’ll take a look and see if/how we want to integrate!

@shepmaster any interest in making this configurable? Setting the default this high for accessibility reasons seems like an eminently reasonable move (though another option there is to provide high contrast...