src/test/run-pass/issue-15924.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 // pretty-expanded FIXME #23616
  12
  13 #![feature(rustc_private)]
  14
  15 extern crate serialize;
  16
  17 use std::fmt;
  18 use serialize::{Encoder, Encodable};
  19 use serialize::json;
  20
  21 struct Foo<T: Encodable> {
  22     v: T,
  23 }
  24
  25 impl<T: Encodable> Drop for Foo<T> {
  26     fn drop(&mut self) {
  27         json::encode(&self.v);
  28     }
  29 }
  30
  31 fn main() {
  32     let _ = Foo { v: 10 };
  33 }