| error[E0004]: non-exhaustive patterns: `C(QA)` not covered | |
| --> $DIR/issue-40221.rs:21:11 | |
| | | |
| LL | match proto { //~ ERROR non-exhaustive patterns | |
| | ^^^^^ pattern `C(QA)` not covered | |
| error: aborting due to previous error | |
| For more information about this error, try `rustc --explain E0004`. |