vlib/v/checker/tests/generics_fn_return_generic_struct_err.vv:13:32: error: return generic struct in fn declaration must specify the generic type names, e.g. Foo<T>
   11 | }
   12 |
   13 | pub fn new_channel_struct<T>() GenericChannelStruct {
      |                                ~~~~~~~~~~~~~~~~~~~~
   14 |     d := GenericChannelStruct{
   15 |         ch: chan T{}
