mirror of https://github.com/rust-lang/rust.git
18 lines
637 B
Plaintext
18 lines
637 B
Plaintext
warning: this `Deref` implementation is covered by an implicit supertrait coercion
|
|
--> $DIR/deref-upcast-shadowing-lint.rs:8:1
|
|
|
|
|
LL | impl<'a> Deref for dyn Foo + 'a {
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `dyn Foo` implements `Deref<Target = dyn Bar<u32>>` which conflicts with supertrait `Bar<i32>`
|
|
LL |
|
|
LL | type Target = dyn Bar<u32> + 'a;
|
|
| -------------------------------- target type is a supertrait of `dyn Foo`
|
|
|
|
|
note: the lint level is defined here
|
|
--> $DIR/deref-upcast-shadowing-lint.rs:2:9
|
|
|
|
|
LL | #![warn(deref_into_dyn_supertrait)]
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^^^
|
|
|
|
warning: 1 warning emitted
|
|
|