union U1 { // OK | |
a: u8, | |
} | |
union U2<T: Copy> { // OK | |
a: T, | |
} | |
union U3 { //~ ERROR unions with non-`Copy` fields are unstable | |
a: String, | |
} | |
union U4<T> { //~ ERROR unions with non-`Copy` fields are unstable | |
a: T, | |
} | |
union U5 { //~ ERROR unions with `Drop` implementations are unstable | |
a: u8, | |
} | |
impl Drop for U5 { | |
fn drop(&mut self) {} | |
} | |
fn main() {} |