vlib/v/checker/tests/generics_method_called_arg_mismatch.vv:14:23: notice: unused parameter: `val`
   12 | struct Obj {}
   13 | 
   14 | fn (mut o Obj) set[T](val T) {}
      |                       ~~~
vlib/v/checker/tests/generics_method_called_arg_mismatch.vv:3:15: error: cannot use `Foo` as `Bar` in argument 1 to `Obj.set`
    1 | fn main() {
    2 |     mut obj := Obj{}
    3 |     obj.set[Bar](Foo{})
      |                  ~~~~~
    4 | }
    5 |