rust/tests/ui/traits/inheritance/overloading-simple.rs

27 lines
500 B
Rust

//@ run-pass
#![allow(dead_code)]
trait MyNum : PartialEq { }
#[derive(Debug)]
struct MyInt { val: isize }
impl PartialEq for MyInt {
fn eq(&self, other: &MyInt) -> bool { self.val == other.val }
fn ne(&self, other: &MyInt) -> bool { !self.eq(other) }
}
impl MyNum for MyInt {}
fn f<T:MyNum>(x: T, y: T) -> bool {
return x == y;
}
fn mi(v: isize) -> MyInt { MyInt { val: v } }
pub fn main() {
let (x, y, z) = (mi(3), mi(5), mi(3));
assert!(x != y);
assert_eq!(x, z);
}