src/test/run-pass-fulldeps/deriving-encodable-decodable-box.rs

   1 // Copyright 2014 The Rust Project Developers. See the COPYRIGHT
   2 // file at the top-level directory of this distribution and at
   3 // http://rust-lang.org/COPYRIGHT.
   4 //
   5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
   6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
   7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
   8 // option. This file may not be copied, modified, or distributed
   9 // except according to those terms.
  10
  11
  12 #![allow(unknown_features)]
  13 #![feature(box_syntax)]
  14 #![feature(rustc_private)]
  15
  16 extern crate serialize;
  17
  18 use serialize::{Encodable, Decodable};
  19 use serialize::json;
  20
  21 #[derive(Encodable, Decodable)]
  22 struct A {
  23     foo: Box<[bool]>,
  24 }
  25
  26 fn main() {
  27     // FIXME (#22405): Replace `Box::new` with `box` here when/if possible.
  28     let obj = A { foo: Box::new([true, false]) };
  29     let s = json::encode(&obj).unwrap();
  30     let obj2: A = json::decode(&s).unwrap();
  31     assert_eq!(obj.foo, obj2.foo);
  32 }