| error[E0308]: mismatched types | |
| --> $DIR/placeholder-pattern-fail.rs:9:47 | |
| | | |
| LL | let _: for<'a, 'b> fn(Inv<'a>, Inv<'b>) = sub; | |
| | -------------------------------- ^^^ one type is more general than the other | |
| | | | |
| | expected due to this | |
| | | |
| = note: expected fn pointer `for<'a, 'b> fn(Inv<'a>, Inv<'b>)` | |
| found fn pointer `for<'a> fn(Inv<'a>, Inv<'a>)` | |
| error: aborting due to previous error | |
| For more information about this error, try `rustc --explain E0308`. |