mirror of https://github.com/rust-lang/rust
22 lines
341 B
Rust
22 lines
341 B
Rust
#[repr(C, u8)]
|
|
pub enum TT {
|
|
AA(u64, u64),
|
|
BB,
|
|
}
|
|
|
|
#[repr(C, u8)]
|
|
pub enum T {
|
|
A(u64),
|
|
B,
|
|
}
|
|
|
|
extern "C" {
|
|
pub fn t_add(a: T, b: T) -> u64;
|
|
pub fn tt_add(a: TT, b: TT) -> u64;
|
|
}
|
|
|
|
fn main() {
|
|
assert_eq!(33, unsafe { tt_add(TT::AA(1, 2), TT::AA(10, 20)) });
|
|
assert_eq!(11, unsafe { t_add(T::A(1), T::A(10)) });
|
|
}
|