mirror of https://github.com/rust-lang/rust
36 lines
1.5 KiB
Plaintext
36 lines
1.5 KiB
Plaintext
error[E0499]: cannot borrow `*f` as mutable more than once at a time
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--> $DIR/moves-based-on-type-no-recursive-stack-closure.rs:20:27
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LL | (f.c)(f, true);
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| ----- ^ second mutable borrow occurs here
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| first mutable borrow occurs here
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| first borrow later used by call
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error[E0382]: borrow of moved value: `f`
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--> $DIR/moves-based-on-type-no-recursive-stack-closure.rs:32:5
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LL | fn conspirator<F>(mut f: F) where F: FnMut(&mut R, bool) {
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| ----- move occurs because `f` has type `F`, which does not implement the `Copy` trait
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LL | let mut r = R {c: Box::new(f)};
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| - value moved here
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LL | f(&mut r, false)
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| ^ value borrowed here after move
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help: if `F` implemented `Clone`, you could clone the value
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--> $DIR/moves-based-on-type-no-recursive-stack-closure.rs:30:16
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LL | fn conspirator<F>(mut f: F) where F: FnMut(&mut R, bool) {
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| ^ consider constraining this type parameter with `Clone`
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LL | let mut r = R {c: Box::new(f)};
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| - you could clone this value
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help: consider mutably borrowing `f`
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LL | let mut r = R {c: Box::new(&mut f)};
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| ++++
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error: aborting due to 2 previous errors
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Some errors have detailed explanations: E0382, E0499.
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For more information about an error, try `rustc --explain E0382`.
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