rustdoc: trait implementors don't have assoc. types shown

[cynecx]

Live: https://doc.rust-lang.org/nightly/std/iter/trait.IntoIterator.html#impl-IntoIterator-30

Trait implementors don't have their assoc. types shown (stable -> nightly regression).

nightly:

stable:

rustdoc 1.55.0-nightly (7c3872e6b 2021-06-24)

[jyn514]

This was intentional in #85970. cc @jsha

[cynecx]

Well, the PR title/description says something different:

Remove methods under Implementors on trait pages

It’s about removing the methods. Personally, that sounds fine. But why did the PR remove the whole section including associated types. To me that’s a really valuable insight/convenience.

[jyn514]

Ah, I see. Yes, I agree only the methods should have been removed.

[apiraino]

Assigning priority as discussed in the Zulip thread of the Prioritization Working Group.

@rustbot label -I-prioritize +P-high

[GuillaumeGomez]

There is #87035 open to fix implementors display already (but not put back assoc types yet). I can fix it once this #87035 has been merged.

[camelid]

triage: It looks like #87035 has been merged now, so this should be unblocked.

[cynecx]

Can we perhaps revert #85970 for the time being until this gets resolved?