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![Esteban Küber](/assets/img/avatar_default.png)
``` error[E0507]: cannot move out of `val`, a captured variable in an `FnMut` closure --> $DIR/issue-87456-point-to-closure.rs:10:28 | LL | let val = String::new(); | --- captured outer variable LL | LL | take_mut(|| { | -- captured by this `FnMut` closure LL | LL | let _foo: String = val; | ^^^ move occurs because `val` has type `String`, which does not implement the `Copy` trait | help: consider borrowing here | LL | let _foo: String = &val; | + help: consider cloning the value if the performance cost is acceptable | LL | let _foo: String = val.clone(); | ++++++++ ```
161 lines
5.6 KiB
Plaintext
161 lines
5.6 KiB
Plaintext
error[E0507]: cannot move out of `*r` which is behind a shared reference
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--> $DIR/cannot-move-block-spans.rs:5:15
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LL | let x = { *r };
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| ^^ move occurs because `*r` has type `String`, which does not implement the `Copy` trait
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help: consider removing the dereference here
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LL - let x = { *r };
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LL + let x = { r };
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help: consider cloning the value if the performance cost is acceptable
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LL - let x = { *r };
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LL + let x = { r.clone() };
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error[E0507]: cannot move out of `*r` which is behind a shared reference
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--> $DIR/cannot-move-block-spans.rs:6:22
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LL | let y = unsafe { *r };
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| ^^ move occurs because `*r` has type `String`, which does not implement the `Copy` trait
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help: consider removing the dereference here
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LL - let y = unsafe { *r };
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LL + let y = unsafe { r };
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help: consider cloning the value if the performance cost is acceptable
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LL - let y = unsafe { *r };
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LL + let y = unsafe { r.clone() };
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error[E0507]: cannot move out of `*r` which is behind a shared reference
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--> $DIR/cannot-move-block-spans.rs:7:26
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LL | let z = loop { break *r; };
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| ^^ move occurs because `*r` has type `String`, which does not implement the `Copy` trait
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help: consider removing the dereference here
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LL - let z = loop { break *r; };
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LL + let z = loop { break r; };
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help: consider cloning the value if the performance cost is acceptable
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LL - let z = loop { break *r; };
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LL + let z = loop { break r.clone(); };
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error[E0508]: cannot move out of type `[String; 2]`, a non-copy array
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--> $DIR/cannot-move-block-spans.rs:11:15
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LL | let x = { arr[0] };
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| ^^^^^^
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| |
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| cannot move out of here
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| move occurs because `arr[_]` has type `String`, which does not implement the `Copy` trait
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help: consider borrowing here
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LL | let x = { &arr[0] };
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| +
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help: consider cloning the value if the performance cost is acceptable
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LL | let x = { arr[0].clone() };
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| ++++++++
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error[E0508]: cannot move out of type `[String; 2]`, a non-copy array
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--> $DIR/cannot-move-block-spans.rs:12:22
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LL | let y = unsafe { arr[0] };
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| ^^^^^^
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| |
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| cannot move out of here
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| move occurs because `arr[_]` has type `String`, which does not implement the `Copy` trait
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help: consider borrowing here
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LL | let y = unsafe { &arr[0] };
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| +
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help: consider cloning the value if the performance cost is acceptable
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LL | let y = unsafe { arr[0].clone() };
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| ++++++++
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error[E0508]: cannot move out of type `[String; 2]`, a non-copy array
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--> $DIR/cannot-move-block-spans.rs:13:26
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LL | let z = loop { break arr[0]; };
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| ^^^^^^
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| |
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| cannot move out of here
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| move occurs because `arr[_]` has type `String`, which does not implement the `Copy` trait
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help: consider borrowing here
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LL | let z = loop { break &arr[0]; };
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| +
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help: consider cloning the value if the performance cost is acceptable
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LL | let z = loop { break arr[0].clone(); };
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| ++++++++
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error[E0507]: cannot move out of `*r` which is behind a shared reference
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--> $DIR/cannot-move-block-spans.rs:17:38
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LL | let x = { let mut u = 0; u += 1; *r };
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| ^^ move occurs because `*r` has type `String`, which does not implement the `Copy` trait
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help: consider removing the dereference here
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LL - let x = { let mut u = 0; u += 1; *r };
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LL + let x = { let mut u = 0; u += 1; r };
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help: consider cloning the value if the performance cost is acceptable
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LL - let x = { let mut u = 0; u += 1; *r };
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LL + let x = { let mut u = 0; u += 1; r.clone() };
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error[E0507]: cannot move out of `*r` which is behind a shared reference
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--> $DIR/cannot-move-block-spans.rs:18:45
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LL | let y = unsafe { let mut u = 0; u += 1; *r };
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| ^^ move occurs because `*r` has type `String`, which does not implement the `Copy` trait
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help: consider removing the dereference here
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LL - let y = unsafe { let mut u = 0; u += 1; *r };
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LL + let y = unsafe { let mut u = 0; u += 1; r };
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help: consider cloning the value if the performance cost is acceptable
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LL - let y = unsafe { let mut u = 0; u += 1; *r };
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LL + let y = unsafe { let mut u = 0; u += 1; r.clone() };
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error[E0507]: cannot move out of `*r` which is behind a shared reference
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--> $DIR/cannot-move-block-spans.rs:19:49
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LL | let z = loop { let mut u = 0; u += 1; break *r; u += 2; };
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| ^^ move occurs because `*r` has type `String`, which does not implement the `Copy` trait
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help: consider removing the dereference here
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LL - let z = loop { let mut u = 0; u += 1; break *r; u += 2; };
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LL + let z = loop { let mut u = 0; u += 1; break r; u += 2; };
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help: consider cloning the value if the performance cost is acceptable
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LL - let z = loop { let mut u = 0; u += 1; break *r; u += 2; };
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LL + let z = loop { let mut u = 0; u += 1; break r.clone(); u += 2; };
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error: aborting due to 9 previous errors
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Some errors have detailed explanations: E0507, E0508.
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For more information about an error, try `rustc --explain E0507`.
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