vlib/v/checker/tests/generics_method_receiver_type_err.vv:6:11: error: generic struct in fn declaration must specify the generic type names, e.g. Foo<T>
    4 | }
    5 |
    6 | pub fn (x Node) str() string {
      |           ~~~~
    7 |     return 'Value is : ${u16(x.val)}\nName is : $x.name'
    8 | }
