Some other macros may produce empty structs. Thus, having a #[bitfield] above an empty struct should not be considered as error. So, let's look to the next code:
#[bitfield]
struct Foo {
}
And next error:
error[E0080]: evaluation of constant value failed
--> src/main.rs:4:1
|
4 | struct Foo {
| ^^^^^^ attempt to compute `0_usize - 1_usize`, which would overflow
Some other macros may produce empty structs. Thus, having a
#[bitfield]above an empty struct should not be considered as error. So, let's look to the next code:And next error: