rust/tests/ui/impl-trait/impl-fn-predefined-lifetimes.stderr

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error[E0792]: expected generic lifetime parameter, found `'_`
--> $DIR/impl-fn-predefined-lifetimes.rs:6:9
|
LL | fn a<'a>() -> impl Fn(&'a u8) -> (impl Debug + '_) {
| -- this generic parameter must be used with a generic lifetime parameter
LL |
LL | |x| x
| ^
error[E0720]: cannot resolve opaque type
--> $DIR/impl-fn-predefined-lifetimes.rs:4:35
|
LL | fn a<'a>() -> impl Fn(&'a u8) -> (impl Debug + '_) {
| ^^^^^^^^^^^^^^^ cannot resolve opaque type
error: aborting due to 2 previous errors
Some errors have detailed explanations: E0720, E0792.
For more information about an error, try `rustc --explain E0720`.