1 // Copyright 2015 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(deprecated)] 12 13 #[cfg(feature = "use_core")] 14 extern crate core; 15 16 use std::hash::{SipHasher, Hasher, Hash}; 17 18 #[macro_use] 19 extern crate derivative; 20 21 #[derive(Derivative)] 22 #[derivative(Hash)] 23 struct Empty; 24 25 #[test] main()26fn main() { 27 let mut s1 = SipHasher::new_with_keys(0, 0); 28 Empty.hash(&mut s1); 29 let mut s2 = SipHasher::new_with_keys(0, 0); 30 Empty.hash(&mut s2); 31 assert_eq!(s1.finish(), s2.finish()); 32 } 33