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 |
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| Cargo.toml | ||
| README.md | ||
For more information about how rustc works, see the rustc dev guide.