1 error[E0408]: variable `beta` is not bound in all patterns
2 --> $DIR/issue-2848.rs:14:7
4 LL | alpha | beta => {}
5 | ^^^^^ ---- variable not in all patterns
7 | pattern doesn't bind `beta`
9 error: aborting due to previous error
11 For more information about this error, try `rustc --explain E0408`.