#![feature(backtrace)]
use desert::{FromBytesBE,Error};

fn run() -> Result<(),Error> {
  let (_,n) = u32::from_bytes_be(&[1,2,3])?;
  println!["n={}", &n];
  Ok(())
}

fn main() -> () {
  if let Err(e) = run() {
    match e.backtrace() {
      Some(bt) => match bt.status() {
        std::backtrace::BacktraceStatus::Captured => eprintln!["{}\n\n{}", e, bt],
        _ => eprintln!["{}", e],
      },
      None => eprintln!["{}", e],
    }
  }
}