src/test/ui-fulldeps/issue-15924.rs

   1 // run-pass
   2
   3 #![allow(unused_imports)]
   4 #![allow(unused_must_use)]
   5 // pretty-expanded FIXME #23616
   6
   7 #![feature(rustc_private)]
   8
   9 extern crate serialize;
  10
  11 use std::fmt;
  12 use serialize::{Encoder, Encodable};
  13 use serialize::json;
  14
  15 struct Foo<T: Encodable> {
  16     v: T,
  17 }
  18
  19 impl<T: Encodable> Drop for Foo<T> {
  20     fn drop(&mut self) {
  21         json::encode(&self.v);
  22     }
  23 }
  24
  25 fn main() {
  26     let _ = Foo { v: 10 };
  27 }