[rustc.git] / src / test / ui / union / union-copy.rs

#[derive(Clone)]
union U {
    a: u8
}

#[derive(Clone)]
union W {
    a: std::mem::ManuallyDrop<String>
}

impl Copy for U {} // OK
impl Copy for W {} //~ ERROR the trait `Copy` may not be implemented for this type

fn main() {}
Commit	Line	Data
9e0c209e SL	1	#[derive(Clone)]
	2	union U {
	3	a: u8
54a0048b	4	}
223e47cc	5
9e0c209e SL	6	#[derive(Clone)]
9e0c209e SL	7	union W {
29967ef6	8	a: std::mem::ManuallyDrop<String>
223e47cc	9	}
9e0c209e SL	10
	11	impl Copy for U {} // OK
	12	impl Copy for W {} //~ ERROR the trait `Copy` may not be implemented for this type
	13
	14	fn main() {}