mirror of
https://github.com/rust-lang/rust.git
synced 2025-10-12 07:10:02 +00:00

diagnostics: use rustc_on_unimplemented to recommend `[].iter()` To make this work, the `#[rustc_on_unimplemented]` data needs to be used to report method resolution errors, which is most of what this commit does. Fixes #94581