error: Struct 'EmptyStruct' has no fields
note: builder generation requires at least one field to be meaningful
help: add some fields to your struct
--> tests/ui/empty-struct.rs:4:10
|
4 | #[derive(TypeStateBuilder)]
| ^^^^^^^^^^^^^^^^
|
= note: this error originates in the derive macro `TypeStateBuilder` (in Nightly builds, run with -Z macro-backtrace for more info)