| error[E0600]: cannot apply unary operator `-` to type `bool` | |
| --> $DIR/unop-neg-bool.rs:2:5 | |
| | | |
| LL | -true; | |
| | ^^^^^ cannot apply unary operator `-` | |
| error: aborting due to 1 previous error | |
| For more information about this error, try `rustc --explain E0600`. |