|
//@ run-pass
|
|
#![feature(unboxed_closures)]
|
|
#![feature(fn_traits)]
|
|
|
|
struct Test;
|
|
|
|
impl FnOnce<(u32, u32)> for Test {
|
|
type Output = u32;
|
|
|
|
extern "rust-call" fn call_once(self, (a, b): (u32, u32)) -> u32 {
|
|
a + b
|
|
}
|
|
}
|
|
|
|
fn main() {
|
|
assert_eq!(Test(1u32, 2u32), 3u32);
|
|
}
|