``` Rust extern crate wdg_base16;
use wdgbase16::B16; use wdgbase16::B16Encode; use wdg_base16::B16Decode;
fn main(){ println!("{}",B16::::encode(123456u64).unwrap()); println!("{}",B16::::decode(B16::::encode(123456u64)).unwrap()); } ```