vlib/v/checker/tests/method_call_arg_mismatch.vv:3:16: notice: unused parameter: `baz`
    1 | struct Foo {}
    2 | 
    3 | fn (f Foo) bar(baz fn ()) {}
      |                ~~~
    4 | 
    5 | fn baz() {}
vlib/v/checker/tests/method_call_arg_mismatch.vv:9:10: error: `baz()` (no value) used as value in argument 1 to `Foo.bar`
    7 | fn main() {
    8 |     foo := Foo{}
    9 |     foo.bar(baz())
      |             ~~~~~
   10 | }