mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-25 16:24:46 +00:00
23 lines
446 B
Rust
23 lines
446 B
Rust
//@ run-pass
|
|
pub trait Test { type T; }
|
|
|
|
impl Test for u32 {
|
|
type T = i32;
|
|
}
|
|
|
|
pub mod export {
|
|
#[no_mangle]
|
|
pub extern "C" fn issue_28983(t: <u32 as ::Test>::T) -> i32 { t*3 }
|
|
}
|
|
|
|
// to test both exporting and importing functions, import
|
|
// a function from ourselves.
|
|
extern "C" {
|
|
fn issue_28983(t: <u32 as Test>::T) -> i32;
|
|
}
|
|
|
|
fn main() {
|
|
assert_eq!(export::issue_28983(2), 6);
|
|
assert_eq!(unsafe { issue_28983(3) }, 9);
|
|
}
|