rust/src/test/ui/unique-object-noncopyable.stderr
Aaron Hill dea8a16af5
Avoid describing a method as 'not found' when bounds are unsatisfied
Fixes #76267

When there is a single applicable method candidate, but its trait bounds
are not satisfied, we avoid saying that the method is "not found".
Insted, we update the error message to directly mention which bounds are
not satisfied, rather than mentioning them in a note.
2021-01-26 23:59:50 -05:00

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error[E0599]: the method `clone` exists for struct `Box<dyn Foo>`, but its trait bounds were not satisfied
--> $DIR/unique-object-noncopyable.rs:24:16
|
LL | trait Foo {
| ---------
| |
| doesn't satisfy `dyn Foo: Clone`
| doesn't satisfy `dyn Foo: Sized`
...
LL | let _z = y.clone();
| ^^^^^ method cannot be called on `Box<dyn Foo>` due to unsatisfied trait bounds
|
::: $SRC_DIR/core/src/clone.rs:LL:COL
|
LL | fn clone(&self) -> Self;
| -----
| |
| the method is available for `Arc<Box<dyn Foo>>` here
| the method is available for `Rc<Box<dyn Foo>>` here
|
::: $SRC_DIR/alloc/src/boxed.rs:LL:COL
|
LL | / pub struct Box<
LL | | T: ?Sized,
LL | | #[unstable(feature = "allocator_api", issue = "32838")] A: Allocator = Global,
LL | | >(Unique<T>, A);
| |________________- doesn't satisfy `Box<dyn Foo>: Clone`
|
= note: the following trait bounds were not satisfied:
`dyn Foo: Sized`
which is required by `Box<dyn Foo>: Clone`
`dyn Foo: Clone`
which is required by `Box<dyn Foo>: Clone`
error: aborting due to previous error
For more information about this error, try `rustc --explain E0599`.