vlib/v/checker/tests/fn_call_arg_mismatch_err_b.vv:5:8: notice: unused parameter: `x`
    3 | }
    4 | 
    5 | fn foo(x int) {}
      |        ^
    6 | 
    7 | fn bar() {}
vlib/v/checker/tests/fn_call_arg_mismatch_err_b.vv:2:6: error: `bar()` (no value) used as value in argument 1 to `foo`
    1 | fn main() {
    2 |     foo(bar())
      |         ~~~~~
    3 | }
    4 |