// Copyright 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 <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. pub fn main() { assert!(Some(Box::new(())).is_some()); let xs: Box<[()]> = Box::<[(); 0]>::new([]); assert!(Some(xs).is_some()); struct Foo; assert!(Some(Box::new(Foo)).is_some()); let ys: Box<[Foo]> = Box::<[Foo; 0]>::new([]); assert!(Some(ys).is_some()); }