error: implementation of `Foo` is not general enough | |
--> $DIR/issue-46989.rs:38:5 | |
| | |
LL | trait Foo {} | |
| ------------ trait `Foo` defined here | |
... | |
LL | assert_foo::<fn(&i32)>(); | |
| ^^^^^^^^^^^^^^^^^^^^^^ implementation of `Foo` is not general enough | |
| | |
= note: `Foo` would have to be implemented for the type `for<'r> fn(&'r i32)` | |
= note: ...but `Foo` is actually implemented for the type `fn(&'0 i32)`, for some specific lifetime `'0` | |
error: aborting due to previous error | |