vlib/v/checker/tests/option_ptr_err.vv:3:10: error: type `?int` is an Option, it must be unwrapped first; use `*var?` to do it
    1 | fn main() {
    2 |     mut var := unsafe { ?&int(none) }
    3 |     assert *var == 0
      |             ~~~
    4 | }
vlib/v/checker/tests/option_ptr_err.vv:3:9: error: `?int` cannot be used as `int literal`, unwrap the option first
    1 | fn main() {
    2 |     mut var := unsafe { ?&int(none) }
    3 |     assert *var == 0
      |            ^
    4 | }