| 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`. |