// Copyright 2016 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. use std::sync::Arc; trait Foo {} impl Foo for [u8; 2] {} fn main() { let _: Arc = Arc::new([3, 4]); }