// Copyright 2012 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.

struct mytype(Mytype);

struct Mytype {compute: extern fn(mytype) -> int, val: int}

fn compute(i: mytype) -> int { return i.val + 20; }

pub fn 
() {
    let myval = mytype(Mytype{compute: compute, val: 30});
    printfln!("%d", compute(myval));
    assert_eq!((myval.compute)(myval), 50);
}

main