[rustc.git] / src / test / ui / polymorphization / drop_shims / simple.rs

// check-pass
// compile-flags:-Zpolymorphize=on

pub struct OnDrop<F: Fn()>(pub F);

impl<F: Fn()> Drop for OnDrop<F> {
    fn drop(&mut self) { }
}

fn foo<R, S: FnOnce()>(
    _: R,
    _: S,
) {
    let bar = || {
        let _ = OnDrop(|| ());
    };
    let _ = bar();
}

fn main() {
    foo(3u32, || {});
}
Commit	Line	Data
3dfed10e XL	1	// check-pass
	2	// compile-flags:-Zpolymorphize=on
	3
	4	pub struct OnDrop<F: Fn()>(pub F);
	5
	6	impl<F: Fn()> Drop for OnDrop<F> {
	7	fn drop(&mut self) { }
	8	}
	9
	10	fn foo<R, S: FnOnce()>(
	11	_: R,
	12	_: S,
	13	) {
	14	let bar = \|\| {
	15	let _ = OnDrop(\|\| ());
	16	};
	17	let _ = bar();
	18	}
	19
	20	fn main() {
	21	foo(3u32, \|\| {});
	22	}