// Note: It is no longer true that both `Eq` and `PartialEq` must the derived, only the later. | |
#[derive(Eq)] | |
struct Foo { | |
x: u32 | |
} | |
impl PartialEq for Foo { | |
fn eq(&self, _: &Foo) -> bool { | |
false // ha ha! | |
} | |
} | |
const FOO: Foo = Foo { x: 0 }; | |
fn main() { | |
let y = Foo { x: 1 }; | |
match y { | |
FOO => { } | |
//~^ ERROR constant of non-structural type `Foo` in a pattern | |
_ => { } | |
} | |
} |