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Rustdoc lists empty opaque type for async fn #109931
Description
Since beta 1.69.0 (and also in nightly), the rustdoc output has an empty opaque type listed. Take this code:
fn main() {}
async fn foo() {}Then save it as main.rs and do:
rustdoc +beta main.rs --crate-type bin --edition=2021 --document-private-items
There will be an empty opaque type listed, which is not clickable like the other things (probably due to being empty):
If you navigate to the opaque..html file manually, you get this:
It also reproduces on current nightly as of filing this bug. And also for cargo init --bin followed by adding an async function and then cargo +beta doc. The option to document private items is important.
@rustbot modify labels: +regression-from-stable-to-beta -regression-untriaged +T-rustdoc
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Area: Async & AwaitArea: `impl Trait`. Universally / existentially quantified anonymous types with static dispatch.Async-await issues that have been triaged during a working group meeting.Category: This is a bug.Relevant to the rustdoc team, which will review and decide on the PR/issue.Performance or correctness regression from stable to beta.
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jyn514 commentedon Apr 4, 2023
cc @compiler-errors
compiler-errors commentedon Apr 4, 2023
Not sure why I was preemptively pinged, but @GuillaumeGomez regressed this in #104889.
searched nightlies: from nightly-2022-11-01 to nightly-2023-04-04
regressed nightly: nightly-2022-12-23
searched commit range: b569c9d...8a97b48
regressed commit: cce9e72
compiler-errors commentedon Apr 4, 2023
Anyways I can fix this since I already looked at the code.
@rustbot claim
GuillaumeGomez commentedon Apr 4, 2023
I wasn't but it's great if you already have a solution. :)
Rollup merge of rust-lang#109937 - compiler-errors:rustdoc-rpit-cant-…
eholk commentedon Apr 10, 2023
Is this fixed as of #109937, or are we waiting for the backport to beta?
jyn514 commentedon Apr 10, 2023
Let's keep this open until the beta backport happens.
est31 commentedon Apr 17, 2023
Done, not in a beta backport but the stable PR directly: #110413 . Thanks everyone!