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