[rustc.git] / src / test / ui / feature-gates / feature-gate-unboxed-closures.rs

#![feature(fn_traits)]

struct Test;

impl FnOnce<(u32, u32)> for Test {
//~^ ERROR the precise format of `Fn`-family traits' type parameters is subject to change
//~| ERROR manual implementations of `FnOnce` are experimental
    type Output = u32;

    extern "rust-call" fn call_once(self, (a, b): (u32, u32)) -> u32 {
        a + b
    }
    //~^^^ ERROR rust-call ABI is subject to change
}

fn main() {
    assert_eq!(Test(1u32, 2u32), 3u32);
}
Commit	Line	Data
0731742a	1	#![feature(fn_traits)]
223e47cc	2
8bb4bdeb XL	3	struct Test;
	4
	5	impl FnOnce<(u32, u32)> for Test {
0731742a	6	//~^ ERROR the precise format of `Fn`-family traits' type parameters is subject to change
f9f354fc	7	//~\| ERROR manual implementations of `FnOnce` are experimental
8bb4bdeb XL	8	type Output = u32;
	9
	10	extern "rust-call" fn call_once(self, (a, b): (u32, u32)) -> u32 {
	11	a + b
	12	}
48663c56	13	//~^^^ ERROR rust-call ABI is subject to change
a7813a04 XL	14	}
	15
	16	fn main() {
8bb4bdeb	17	assert_eq!(Test(1u32, 2u32), 3u32);
54a0048b	18	}