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