1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
|
#![allow(incomplete_features)]
#![feature(adt_const_params, unsized_const_params)]
union Union {
a: u8,
}
impl PartialEq for Union {
fn eq(&self, other: &Union) -> bool {
true
}
}
impl Eq for Union {}
impl std::marker::UnsizedConstParamTy for Union {}
//~^ ERROR the trait `ConstParamTy` may not be implemented for this type
#[derive(std::marker::UnsizedConstParamTy)]
//~^ ERROR this trait cannot be derived for unions
union UnionDerive {
a: u8,
}
impl PartialEq for UnionDerive {
fn eq(&self, other: &UnionDerive) -> bool {
true
}
}
impl Eq for UnionDerive {}
fn main() {}
|