1error[E0600]: cannot apply unary operator `-` to type `String` 2 --> $DIR/minus-string.rs:3:13 3 | 4LL | fn main() { -"foo".to_string(); } 5 | ^^^^^^^^^^^^^^^^^^ cannot apply unary operator `-` 6 7error: aborting due to previous error 8 9For more information about this error, try `rustc --explain E0600`. 10