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Very cool new rustdoc feature

88 points imperioland
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A very cool contribution was just merged in rustdoc. If you have a type alias like this:

pub enum IrTyKind<'a, I: Interner> {
    AdtKind(&'a I::Adt),
    TyKind(I::Adt, I::Ty),
}

pub type TyKind<'a> = IrTyKind<'a, TyCtxt>;

The type alias page will now display the inferred enum variants, making it much better.

I wanted to share this here (contrary to when I do it only on social media like twitter and mastodon) as I think it's something that will greatly improve every Rust user's experience when browsing documentation. Enjoy!

PR: https://github.com/rust-lang/rust/pull/114855

Some examples of this feature: