1 // Copyright 2013-2014 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. 4 // 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. 10 11 #[cfg(feature = "use_core")] 12 extern crate core; 13 14 #[macro_use] 15 extern crate derivative; 16 17 use std::default::Default; 18 19 #[derive(Derivative)] 20 #[derivative(Default)] 21 struct A { 22 foo: Box<[bool]>, 23 } 24 25 #[test] main()26fn main() { 27 let a: A = Default::default(); 28 let b: Box<[_]> = Box::<[bool; 0]>::new([]); 29 assert_eq!(a.foo, b); 30 } 31