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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.
#![feature(managed_boxes)]
use std::gc::{GC, Gc};
type compare<T> = |Gc<T>, Gc<T>|: 'static -> bool;
fn test_generic<T>(expected: Gc<T>, not_expected: Gc<T>, eq: compare<T>) {
let actual: Gc<T> = if true { expected } else { not_expected };
assert!((eq(expected, actual)));
}
fn test_box() {
fn compare_box(b1: Gc<bool>, b2: Gc<bool>) -> bool { return *b1 == *b2; }
test_generic::<bool>(box(GC) true, box(GC) false, compare_box);
}
pub fn main() { test_box(); }
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