rust/tests/ui/stdlib-unit-tests/eq-multidispatch.rs
2023-01-11 09:32:08 +00:00

31 lines
662 B
Rust

// run-pass
#[derive(PartialEq, Debug)]
struct Bar;
#[derive(Debug)]
struct Baz;
#[derive(Debug)]
struct Foo;
#[derive(Debug)]
struct Fu;
impl PartialEq for Baz { fn eq(&self, _: &Baz) -> bool { true } }
impl PartialEq<Fu> for Foo { fn eq(&self, _: &Fu) -> bool { true } }
impl PartialEq<Foo> for Fu { fn eq(&self, _: &Foo) -> bool { true } }
impl PartialEq<Bar> for Foo { fn eq(&self, _: &Bar) -> bool { false } }
impl PartialEq<Foo> for Bar { fn eq(&self, _: &Foo) -> bool { false } }
fn main() {
assert!(Bar != Foo);
assert!(Foo != Bar);
assert_eq!(Bar, Bar);
assert_eq!(Baz, Baz);
assert_eq!(Foo, Fu);
assert_eq!(Fu, Foo);
}