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75a562d313
Summary -- I thought this was very complicated based on the comment here: https://github.com/astral-sh/ruff/pull/16106#issuecomment-2653505671 and on some of the discussion in the CPython issue here: https://github.com/python/cpython/issues/56991. However, after a little bit of experimentation, I think it boils down to this example: ```python with (x as y): ... ``` The issue is parentheses around a `with` item with an `optional_var`, as we (and [Python](https://docs.python.org/3/library/ast.html#ast.withitem)) call the trailing variable name (`y` in this case). It's not actually about line breaks after all, except that line breaks are allowed in parenthesized expressions, which explains the validity of cases like ```pycon >>> with ( ... x, ... y ... ) as foo: ... pass ... ``` even on Python 3.8. I followed [pyright]'s example again here on the diagnostic range (just the opening paren) and the wording of the error. Test Plan -- Inline tests [pyright]: https://pyright-play.net/?pythonVersion=3.7&strict=true&code=FAdwlgLgFgBAFAewA4FMB2cBEAzBCB0EAHhJgJQwCGAzjLgmQFwz6tA |
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| .. | ||
| lexer | ||
| parser | ||
| snapshots | ||
| error.rs | ||
| lexer.rs | ||
| lib.rs | ||
| string.rs | ||
| token.rs | ||
| token_set.rs | ||
| token_source.rs | ||
| typing.rs | ||