46846496ed
(since I made this mistake at first but the tests didn't catch it): we should not suggest adding `mut` to a reassigned `ref` or `ref mut` binding. (The Rust language, since at least 1.0, does not have `mut ref mut` or `ref mut mut` etc.)
21 lines
735 B
Plaintext
21 lines
735 B
Plaintext
error[E0384]: cannot assign twice to immutable variable `a`
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--> $DIR/reassign-ref-mut.rs:22:5
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LL | let &mut (ref a, ref mut b) = &mut one_two;
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| ----- first assignment to `a`
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LL | a = &three_four.0;
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| ^^^^^^^^^^^^^^^^^ cannot assign twice to immutable variable
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error[E0384]: cannot assign twice to immutable variable `b`
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--> $DIR/reassign-ref-mut.rs:24:5
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LL | let &mut (ref a, ref mut b) = &mut one_two;
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| --------- first assignment to `b`
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...
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LL | b = &mut three_four.1;
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| ^^^^^^^^^^^^^^^^^^^^^ cannot assign twice to immutable variable
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error: aborting due to 2 previous errors
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For more information about this error, try `rustc --explain E0384`.
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