error: `Countable` can only be derived for `struct`s with zero fields
--> tests/countable/struct_fields.rs:4:12
|
4 | struct Tag1(u8);
| ^^^^
error: `Countable` can only be derived for `struct`s with zero fields
--> tests/countable/struct_fields.rs:7:13
|
7 | struct Tag2 {
| _____________^
8 | | field: u8,
9 | | }
| |_^