mirror of
https://github.com/rust-lang/rust.git
synced 2025-10-02 18:27:37 +00:00

When encountering a moved value of a type that isn't `Clone` because of unmet obligations, but where all the unmet predicates reference crate-local types, mention them and suggest cloning, as we do in other cases already: ``` error[E0507]: cannot move out of `foo`, a captured variable in an `Fn` closure --> f111.rs:14:25 | 13 | fn do_stuff(foo: Option<Foo>) { | --- captured outer variable 14 | require_fn_trait(|| async { | -- ^^^^^ `foo` is moved here | | | captured by this `Fn` closure 15 | if foo.map_or(false, |f| f.foo()) { | --- | | | variable moved due to use in coroutine | move occurs because `foo` has type `Option<Foo>`, which does not implement the `Copy` trait | note: if `Foo` implemented `Clone`, you could clone the value --> f111.rs:4:1 | 4 | struct Foo; | ^^^^^^^^^^ consider implementing `Clone` for this type ... 15 | if foo.map_or(false, |f| f.foo()) { | --- you could clone this value ```
54 lines
2.2 KiB
Plaintext
54 lines
2.2 KiB
Plaintext
warning: the feature `unsafe_binders` is incomplete and may not be safe to use and/or cause compiler crashes
|
|
--> $DIR/moves.rs:1:12
|
|
|
|
|
LL | #![feature(unsafe_binders)]
|
|
| ^^^^^^^^^^^^^^
|
|
|
|
|
= note: see issue #130516 <https://github.com/rust-lang/rust/issues/130516> for more information
|
|
= note: `#[warn(incomplete_features)]` on by default
|
|
|
|
error[E0382]: use of moved value: `base`
|
|
--> $DIR/moves.rs:15:14
|
|
|
|
|
LL | let base = NotCopy::default();
|
|
| ---- move occurs because `base` has type `ManuallyDrop<NotCopyInner>`, which does not implement the `Copy` trait
|
|
LL | let binder: unsafe<> NotCopy = wrap_binder!(base);
|
|
| ---- value moved here
|
|
LL | drop(base);
|
|
| ^^^^ value used here after move
|
|
|
|
|
note: if `NotCopyInner` implemented `Clone`, you could clone the value
|
|
--> $DIR/moves.rs:8:1
|
|
|
|
|
LL | struct NotCopyInner;
|
|
| ^^^^^^^^^^^^^^^^^^^ consider implementing `Clone` for this type
|
|
...
|
|
LL | let binder: unsafe<> NotCopy = wrap_binder!(base);
|
|
| ---- you could clone this value
|
|
|
|
error[E0382]: use of moved value: `binder`
|
|
--> $DIR/moves.rs:24:14
|
|
|
|
|
LL | drop(unwrap_binder!(binder));
|
|
| ---------------------- value moved here
|
|
LL | drop(unwrap_binder!(binder));
|
|
| ^^^^^^^^^^^^^^^^^^^^^^ value used here after move
|
|
|
|
|
= note: move occurs because `binder` has type `ManuallyDrop<NotCopyInner>`, which does not implement the `Copy` trait
|
|
= note: this error originates in the macro `unwrap_binder` (in Nightly builds, run with -Z macro-backtrace for more info)
|
|
|
|
error[E0382]: use of moved value: `binder.0`
|
|
--> $DIR/moves.rs:36:14
|
|
|
|
|
LL | drop(unwrap_binder!(binder).0);
|
|
| ------------------------ value moved here
|
|
...
|
|
LL | drop(unwrap_binder!(binder).0);
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^^ value used here after move
|
|
|
|
|
= note: move occurs because `binder.0` has type `ManuallyDrop<NotCopyInner>`, which does not implement the `Copy` trait
|
|
|
|
error: aborting due to 3 previous errors; 1 warning emitted
|
|
|
|
For more information about this error, try `rustc --explain E0382`.
|