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