// Copyright 2012-2014 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 or the MIT license // , at your // option. This file may not be copied, modified, or distributed // except according to those terms. #![allow(unknown_features)] #![feature(box_syntax)] fn test_generic(expected: T, eq: F) where T: Clone, F: FnOnce(T, T) -> bool { let actual: T = { expected.clone() }; assert!(eq(expected, actual)); } fn test_vec() { fn compare_vec(v1: Box, v2: Box) -> bool { return v1 == v2; } test_generic::, _>(box 1, compare_vec); } pub fn main() { test_vec(); }