// 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(hash)] use std::hash::{SipHasher, hash}; #[derive(Hash)] struct Empty; pub fn main() { assert!(hash::<_, SipHasher>(&Empty) == hash::<_, SipHasher>(&Empty)); }