fn main() {
    let mut bytes = Vec::new();
    for i in u8::min_value()..u8::max_value() {
        bytes.push(i);
    }

    while let Err(error) = std::str::from_utf8(&bytes) {
        bytes.remove(error.valid_up_to());
    }

    println!("Result: \"{}\"", std::str::from_utf8(&bytes).unwrap());
}