generic_sumtype_decl_err_e.out

vlib/v/checker/tests/generic_sumtype_decl_err_e.vv:10:10: error: generic sumtype `Parser` must specify type parameter, e.g. Parser[int]
    8 |
    9 | fn main() {
   10 |     _ := Parser(f)
      |          ~~~~~~~~~
   11 | }