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## Summary This PR adds dangling comment handling for `lambda` expressions. In short, comments around the `lambda` and the `:` are all considered dangling. Comments that come between the `lambda` and the `:` may be moved after the colon for simplicity (this is an odd position for a comment anyway), unless they also precede the lambda parameters, in which case they're formatted before the parameters. Closes https://github.com/astral-sh/ruff/issues/7470. ## Test Plan `cargo test` No change in similarity. Before: | project | similarity index | total files | changed files | |--------------|------------------:|------------------:|------------------:| | cpython | 0.76083 | 1789 | 1632 | | django | 0.99982 | 2760 | 37 | | transformers | 0.99957 | 2587 | 398 | | twine | 1.00000 | 33 | 0 | | typeshed | 0.99983 | 3496 | 18 | | warehouse | 0.99929 | 648 | 16 | | zulip | 0.99962 | 1437 | 22 | After: | project | similarity index | total files | changed files | |--------------|------------------:|------------------:|------------------:| | cpython | 0.76083 | 1789 | 1632 | | django | 0.99982 | 2760 | 37 | | transformers | 0.99957 | 2587 | 398 | | twine | 1.00000 | 33 | 0 | | typeshed | 0.99983 | 3496 | 18 | | warehouse | 0.99929 | 648 | 16 | | zulip | 0.99962 | 1437 | 22 | |
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| .. | ||
| comments | ||
| expression | ||
| module | ||
| other | ||
| pattern | ||
| snapshots | ||
| statement | ||
| type_param | ||
| builders.rs | ||
| cli.rs | ||
| context.rs | ||
| generated.rs | ||
| lib.rs | ||
| main.rs | ||
| options.rs | ||
| prelude.rs | ||
| verbatim.rs | ||