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// 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.
use std::gc::Gc;
trait Mumbo {
    fn jumbo(&self, x: Gc<uint>) -> uint;
}
impl Mumbo for uint {
    // Cannot have a larger effect than the trait:
    unsafe fn jumbo(&self, x: Gc<uint>) { *self + *x; }
    //~^ ERROR expected normal fn, found unsafe fn
}
fn main() {}
 
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