vlib/v/checker/tests/unused_param.vv:5:33: notice: unused parameter: `unused_param`
    3 | struct Foo {}
    4 | 
    5 | fn (unused_receiver Foo) method(unused_param int) {}
      |                                 ~~~~~~~~~~~~
    6 | 
    7 | fn func(unused_param int) {}
vlib/v/checker/tests/unused_param.vv:7:9: notice: unused parameter: `unused_param`
    5 | fn (unused_receiver Foo) method(unused_param int) {}
    6 | 
    7 | fn func(unused_param int) {}
      |         ~~~~~~~~~~~~
    8 | 
    9 | fn func2(_ int) {}