// 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. #![allow(deprecated)] use std::hash::{SipHasher, Hasher, Hash}; #[macro_use] extern crate derivative; #[derive(Derivative)] #[derivative(Hash)] struct Empty; #[test] fn main() { let mut s1 = SipHasher::new_with_keys(0, 0); Empty.hash(&mut s1); let mut s2 = SipHasher::new_with_keys(0, 0); Empty.hash(&mut s2); assert_eq!(s1.finish(), s2.finish()); }