#![allow(dead_code, deprecated, unused_variables, unused_mut)]
use std::hash::{DefaultHasher, Hasher};
fn main() {
    let mut hasher = DefaultHasher::new();
    let data = [0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef];
    hasher.write(&data);
    println!("Hash is {:x}!", hasher.finish());
}