error: expected one of `,`, `:`, or `>`, found `'b` --> $DIR/bounds-lifetime-1.rs:13:17 | LL | type A = for<'a 'b> fn(); //~ ERROR expected one of `,`, `:`, or `>`, found `'b` | ^^ expected one of `,`, `:`, or `>` here error: aborting due to previous error