mirror of
https://github.com/rust-lang/rust.git
synced 2025-10-01 00:36:54 +00:00
28 lines
1.1 KiB
Plaintext
28 lines
1.1 KiB
Plaintext
warning: impl trait in impl method signature does not match trait method signature
|
|
--> $DIR/unconstrained-lt.rs:8:18
|
|
|
|
|
LL | fn test() -> impl Sized;
|
|
| ---------- return type from trait method defined here
|
|
...
|
|
LL | fn test() -> &'a () {
|
|
| ^^^^^^
|
|
|
|
|
= note: add `#[allow(refining_impl_trait)]` if it is intended for this to be part of the public API of this crate
|
|
= note: we are soliciting feedback, see issue #121718 <https://github.com/rust-lang/rust/issues/121718> for more information
|
|
= note: `#[warn(refining_impl_trait_internal)]` (part of `#[warn(refining_impl_trait)]`) on by default
|
|
help: replace the return type so that it matches the trait
|
|
|
|
|
LL - fn test() -> &'a () {
|
|
LL + fn test() -> impl Sized {
|
|
|
|
|
|
|
error[E0207]: the lifetime parameter `'a` is not constrained by the impl trait, self type, or predicates
|
|
--> $DIR/unconstrained-lt.rs:5:6
|
|
|
|
|
LL | impl<'a, T> Foo for T {
|
|
| ^^ unconstrained lifetime parameter
|
|
|
|
error: aborting due to 1 previous error; 1 warning emitted
|
|
|
|
For more information about this error, try `rustc --explain E0207`.
|