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[rustc.git] / src / test / run-pass / issue-4016.rs
1 // Copyright 2013-2014 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 #![feature(rustc_private)]
13
14 extern crate serialize;
15
16 use serialize::{json, Decodable};
17
18 trait JD : Decodable {}
19
20 fn exec<T: JD>() {
21 let doc = json::from_str("").unwrap();
22 let mut decoder = json::Decoder::new(doc);
23 let _v: T = Decodable::decode(&mut decoder).unwrap();
24 panic!()
25 }
26
27 pub fn main() {}