--> $DIR/issue-22560.rs:9:23
|
LL | type Test = dyn Add + Sub;
- | --- ^^^
- | | |
- | | additional non-auto trait
- | | trait alias used in trait object type (additional use)
+ | --- ^^^ additional non-auto trait
+ | |
| first non-auto trait
- | trait alias used in trait object type (first use)
+ |
+ = help: consider creating a new trait with all of these as super-traits and using that trait here instead: `trait NewTrait: Add<[type error]> + Sub<[type error]> {}`
+ = note: auto-traits like `Send` and `Sync` are traits that have special properties; for more information on them, visit <https://doc.rust-lang.org/reference/special-types-and-traits.html#auto-traits>
error[E0191]: the value of the associated types `Output` (from trait `Add`), `Output` (from trait `Sub`) must be specified
--> $DIR/issue-22560.rs:9:17