src/test/compile-fail-fulldeps/derive-no-std-not-supported.rs

   1 // Copyright 2015 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 #![no_std]
  12
  13 extern crate core;
  14 extern crate rand;
  15 extern crate serialize as rustc_serialize;
  16
  17 #[derive(RustcEncodable)]  //~ ERROR this trait cannot be derived
  18 struct Bar {
  19     x: u32,
  20 }
  21
  22 #[derive(RustcDecodable)]  //~ ERROR this trait cannot be derived
  23 struct Baz {
  24     x: u32,
  25 }
  26
  27 fn main() {
  28     Foo { x: 0 };
  29     Bar { x: 0 };
  30     Baz { x: 0 };
  31 }