error[E0408]: variable `v` is not bound in all patterns --> $DIR/tabs-trimming.rs:9:16 | LL | ... v @ 1 | 2 | 3 => panic!("You gave me too little money {}", v), // Long text here: TTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTT... | - ^ ^ pattern doesn't bind `v` | | | | | pattern doesn't bind `v` | variable not in all patterns error: aborting due to 1 previous error For more information about this error, try `rustc --explain E0408`.