Correctly parse mut a @ b
#68992
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Correctly parse mut a @ b
#68992
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| self.0 = true; | ||
| // Don't recurse into the subpattern, mut on the outer | ||
| // binding doesn't affect the inner bindings. |
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Although this would prevent mut (x @ y) from turning into mut x @ mut y but that seems fine.
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Thanks! 😊 @bors r+ rollup |
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📌 Commit fa5a3c3 has been approved by |
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… r=Centril Correctly parse `mut a @ b` r? @Centril Closes rust-lang#67861 Closes rust-lang#67926
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Rollup of 6 pull requests Successful merges: - #68694 (Reduce the number of `RefCell`s in `InferCtxt`.) - #68966 (Improve performance of coherence checks) - #68976 (Make `num::NonZeroX::new` an unstable `const fn`) - #68992 (Correctly parse `mut a @ b`) - #69005 (Small graphviz improvements for the new dataflow framework) - #69006 (parser: Keep current and previous tokens precisely) Failed merges: r? @ghost
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…stebank parse: recover `mut (x @ y)` as `(mut x @ mut y)`. Follow up to rust-lang#68992 (comment) and rust-lang#63945. Specifically, when given `let mut (x @ y)` we recover with `let (mut x @ mut y)` as the suggestion: ```rust error: `mut` must be attached to each individual binding --> $DIR/mut-patterns.rs:12:9 | LL | let mut (x @ y) = 0; | ^^^^^^^^^^^ help: add `mut` to each binding: `(mut x @ mut y)` | = note: `mut` may be followed by `variable` and `variable @ pattern` ``` r? @matthewjasper @estebank
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r? @Centril
Closes #67861
Closes #67926