error[E0005]: refutable pattern in local binding: `Err(_)` not covered | |
--> $DIR/feature-gate-exhaustive-patterns.rs:7:9 | |
| | |
LL | let Ok(_x) = foo(); | |
| ^^^^^^ pattern `Err(_)` not covered | |
error: aborting due to previous error | |
For more information about this error, try `rustc --explain E0005`. |