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//@ run-pass
// `#[derive(Trait)]` works for empty structs/variants with braces or parens.
#![feature(rustc_private)]
extern crate rustc_macros;
extern crate rustc_serialize;
extern crate rustc_span;
// Necessary to pull in object code as the rest of the rustc crates are shipped only as rmeta
// files.
#[allow(unused_extern_crates)]
extern crate rustc_driver;
use rustc_macros::{Decodable, Encodable};
#[derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash, Default, Debug, Encodable, Decodable)]
struct S {}
#[derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash, Default, Debug, Encodable, Decodable)]
struct Z();
#[derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash, Debug, Encodable, Decodable)]
enum E {
V {},
U,
W(),
}
fn main() {
let s = S {};
let s1 = s;
let s2 = s.clone();
assert_eq!(s, s1);
assert_eq!(s, s2);
assert!(!(s < s1));
assert_eq!(format!("{:?}", s), "S");
let z = Z();
let z1 = z;
let z2 = z.clone();
assert_eq!(z, z1);
assert_eq!(z, z2);
assert!(!(z < z1));
assert_eq!(format!("{:?}", z), "Z");
let e = E::V {};
let e1 = e;
let e2 = e.clone();
assert_eq!(e, e1);
assert_eq!(e, e2);
assert!(!(e < e1));
assert_eq!(format!("{:?}", e), "V");
let e = E::W();
let e1 = e;
let e2 = e.clone();
assert_eq!(e, e1);
assert_eq!(e, e2);
assert!(!(e < e1));
assert_eq!(format!("{:?}", e), "W");
}
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