error[E0178]: expected a path on the left-hand side of `+`, not `&for<'a> Trait<'a>` --> $DIR/trait-object-polytrait-priority.rs:6:12 | LL | let _: &for<'a> Trait<'a> + 'static; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | help: try adding parentheses | LL | let _: &(for<'a> Trait<'a> + 'static); | + + error: aborting due to 1 previous error For more information about this error, try `rustc --explain E0178`.