// Copyright 2015 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. #![feature(alloc_jemalloc, alloc_system)] #[cfg(not(any(target_env = "msvc", target_os = "bitrig", target_os = "openbsd")))] extern crate alloc_jemalloc; #[cfg(any(target_env = "msvc", target_os = "bitrig", target_os = "openbsd"))] extern crate alloc_system; fn main() { println!("{:?}", Box::new(3)); }