src/test/run-pass/issue-4016.rs


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// xfail-fast
// Copyright 2013 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.

extern mod extra;

use std::result;
use extra::json;
use extra::serialize::Decodable;

trait JD : Decodable<json::Decoder> { }

fn exec<T: JD>() {
    let doc = result::unwrap(json::from_str(""));
    let mut decoder = json::Decoder(doc);
    let _v: T = Decodable::decode(&mut decoder);
    fail!()
}

pub fn main() {}