| // 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. |
| |
| |
| |
| // -*- rust -*- |
| type compare<T> = &'static fn(~T, ~T) -> bool; |
| |
| fn test_generic<T:Clone>(expected: ~T, eq: compare<T>) { |
| let actual: ~T = match true { |
| true => { expected.clone() }, |
| _ => fail!("wat") |
| }; |
| assert!((eq(expected, actual))); |
| } |
| |
| fn test_box() { |
| fn compare_box(b1: ~bool, b2: ~bool) -> bool { return *b1 == *b2; } |
| test_generic::<bool>(~true, compare_box); |
| } |
| |
| pub fn main() { test_box(); } |