extern crate utf8_decode;

use utf8_decode::Decoder;

fn main() -> std::io::Result<()> {
    let bytes = [72, 101, 108, 108, 111, 32, 87, 111, 114, 108, 100, 33, 32, 240, 159, 140, 141];

    let decoder = Decoder::new(bytes.iter().cloned());

    let mut string = String::new();
    for c in decoder {
        string.push(c?);
    }

    println!("{}", string);

    Ok(())
}