| error[E0605]: non-primitive cast: `()` as `usize` | |
| --> $DIR/issue-10991.rs:3:14 | |
| | | |
| LL | let _t = nil as usize; | |
| | ^^^^^^^^^^^^ an `as` expression can only be used to convert between primitive types or to coerce to a specific trait object | |
| error: aborting due to 1 previous error | |
| For more information about this error, try `rustc --explain E0605`. |