vlib/v/checker/tests/assign_generic_closure_fn_err.vv:12:10: error: cannot assign generic function to a variable
   10 | fn main() {
   11 |     mut cmd := Cmd[string]{}
   12 |     anon := fn [mut cmd] [T]() {
      |             ~~~~~~~~~~~~~~~~~~~~
   13 |         use_cmd(mut cmd)
   14 |     }