mirror of
https://github.com/rust-lang/rust
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ad9a5a5f9f
```
error[E0507]: cannot move out of `bar`, a captured variable in an `FnMut` closure
--> $DIR/borrowck-move-by-capture.rs:9:29
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LL | let bar: Box<_> = Box::new(3);
| --- captured outer variable
LL | let _g = to_fn_mut(|| {
| -- captured by this `FnMut` closure
LL | let _h = to_fn_once(move || -> isize { *bar });
| ^^^^^^^^^^^^^^^^ ----
| | |
| | variable moved due to use in closure
| | move occurs because `bar` has type `Box<isize>`, which does not implement the `Copy` trait
| `bar` is moved here
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help: clone the value before moving it into the closure
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LL ~ let value = bar.clone();
LL ~ let _h = to_fn_once(move || -> isize { value });
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```
95 lines
3.3 KiB
Text
95 lines
3.3 KiB
Text
error[E0507]: cannot move out of `var`, a captured variable in an `FnMut` closure
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--> $DIR/option-content-move3.rs:13:21
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LL | let var = NotCopyable;
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| --- captured outer variable
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...
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LL | move || {
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| ------- captured by this `FnMut` closure
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LL | let x = var;
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| ^^^ move occurs because `var` has type `NotCopyable`, which does not implement the `Copy` trait
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note: if `NotCopyable` implemented `Clone`, you could clone the value
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--> $DIR/option-content-move3.rs:2:1
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LL | struct NotCopyable;
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| ^^^^^^^^^^^^^^^^^^ consider implementing `Clone` for this type
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...
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LL | let x = var;
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| --- you could clone this value
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help: consider borrowing here
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LL | let x = &var;
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| +
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error[E0507]: cannot move out of `var`, a captured variable in an `FnMut` closure
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--> $DIR/option-content-move3.rs:12:9
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LL | let var = NotCopyable;
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| --- captured outer variable
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LL | func(|| {
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| -- captured by this `FnMut` closure
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LL | // Shouldn't suggest `move ||.as_ref()` here
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LL | move || {
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| ^^^^^^^ `var` is moved here
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LL | let x = var;
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| ---
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| variable moved due to use in closure
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| move occurs because `var` has type `NotCopyable`, which does not implement the `Copy` trait
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note: if `NotCopyable` implemented `Clone`, you could clone the value
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--> $DIR/option-content-move3.rs:2:1
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LL | struct NotCopyable;
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| ^^^^^^^^^^^^^^^^^^ consider implementing `Clone` for this type
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...
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LL | let x = var;
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| --- you could clone this value
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error[E0507]: cannot move out of `var`, a captured variable in an `FnMut` closure
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--> $DIR/option-content-move3.rs:24:21
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LL | let var = NotCopyableButCloneable;
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| --- captured outer variable
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...
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LL | move || {
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| ------- captured by this `FnMut` closure
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LL | let x = var;
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| ^^^ move occurs because `var` has type `NotCopyableButCloneable`, which does not implement the `Copy` trait
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help: consider borrowing here
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LL | let x = &var;
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| +
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error[E0507]: cannot move out of `var`, a captured variable in an `FnMut` closure
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--> $DIR/option-content-move3.rs:23:9
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LL | let var = NotCopyableButCloneable;
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| --- captured outer variable
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LL | func(|| {
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| -- captured by this `FnMut` closure
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LL | // Shouldn't suggest `move ||.as_ref()` here
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LL | move || {
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| ^^^^^^^ `var` is moved here
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LL | let x = var;
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| ---
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| variable moved due to use in closure
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| move occurs because `var` has type `NotCopyableButCloneable`, which does not implement the `Copy` trait
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help: clone the value before moving it into the closure
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LL ~ {
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LL + let value = var.clone();
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LL ~ move || {
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LL ~ let x = value;
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LL | println!("{x:?}");
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LL ~ }
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LL + }
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error: aborting due to 4 previous errors
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For more information about this error, try `rustc --explain E0507`.
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