4 #![allow(unused_imports)]
5 #![feature(rustc_private)]
7 extern crate rustc_serialize;
9 use rustc_serialize::{Encodable, Decodable};
10 use rustc_serialize::json;
12 #[derive(RustcEncodable, RustcDecodable, PartialEq, Debug)]
13 struct UnitLikeStruct;
16 let obj = UnitLikeStruct;
17 let json_str: String = json::encode(&obj).unwrap();
19 let json_object = json::from_str(&json_str);
20 let mut decoder = json::Decoder::new(json_object.unwrap());
21 let mut decoded_obj: UnitLikeStruct = Decodable::decode(&mut decoder).unwrap();
23 assert_eq!(obj, decoded_obj);