1 // Copyright 2012 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.
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.
11 #![allow(unknown_features)]
12 #![feature(box_syntax)]
14 fn test_generic<T, F>(expected: Box<T>, eq: F) where T: Clone, F: FnOnce(Box<T>, Box<T>) -> bool {
15 let actual: Box<T> = { expected.clone() };
16 assert!(eq(expected, actual));
20 fn compare_box(b1: Box<bool>, b2: Box<bool>) -> bool {
25 test_generic::<bool, _>(box true, compare_box);
28 pub fn main() { test_box(); }