error[E0046]: not all trait items implemented, missing: `Output` | |
--> $DIR/issue-23827.rs:27:1 | |
| | |
LL | impl<C: Component> FnOnce<(C,)> for Prototype { | |
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ missing `Output` in implementation | |
| | |
= help: implement the missing item: `type Output = /* Type */;` | |
error: aborting due to 1 previous error | |
For more information about this error, try `rustc --explain E0046`. |