vlib/v/checker/tests/cast_string_err.vv:14:9: error: cannot cast enum to string, use ev.str() instead.
   12 | fn main() {
   13 |     ev := MyEnum.val1
   14 |     sev := string(ev)
      |            ~~~~~~~~~~
   15 |     println(sev)
   16 |     //
vlib/v/checker/tests/cast_string_err.vv:18:9: error: cannot cast sumtype `Sumtype` to string, use `st.str()` instead.
   16 |     //
   17 |     st := Sumtype(int(456))
   18 |     sst := string(st)
      |            ~~~~~~~~~~
   19 |     println(sst)
   20 |     //
vlib/v/checker/tests/cast_string_err.vv:22:10: error: cannot cast struct `Abc` to `string`
   20 |     //
   21 |     abc := Abc{}
   22 |     sabc := string(abc)
      |             ~~~~~~~~~~~
   23 |     println(sabc)
   24 |     //
vlib/v/checker/tests/cast_string_err.vv:26:8: error: cannot cast map to string.
   24 |     //
   25 |     mm := map[string]int{}
   26 |     sm := string(mm)
      |           ~~~~~~~~~~
   27 |     println(sm)
   28 |     //
vlib/v/checker/tests/cast_string_err.vv:30:8: error: cannot cast []byte to string, use `arr.bytestr()` or `arr.str()` instead.
   28 |     //
   29 |     arr := []byte{}
   30 |     sa := string(arr)
      |           ~~~~~~~~~~~
   31 |     println(sa)
   32 |     //
vlib/v/checker/tests/cast_string_err.vv:34:8: error: cannot cast number to string, use `ii.str()` instead.
   32 |     //
   33 |     ii := 1
   34 |     si := string(ii)
      |           ~~~~~~~~~~
   35 |     println(si)
   36 | }
