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rollup merge of #20723: pnkfelix/feature-gate-box-syntax
[rust.git] / src / test / run-pass / show-boxed-slice.rs
1 // Copyright 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 #![allow(unknown_features)]
12 #![feature(box_syntax)]
13
14 #[derive(Show)]
15 struct Foo(Box<[u8]>);
16
17 pub fn main() {
18     println!("{:?}", Foo(box [0, 1, 2]));
19 }