input.rs

fn input() -> io::Result<String> {
    let mut string = String::new();
    
    let bytes_read = try!(io::stdin().read_line(&mut string));
    
    if bytes_read == 0 {
        return Err(io::Error::new(io::ErrorKind::Other,
                                 "The line could not be read."));
    }
    
    string = string.trim_right_matches("\r\n").to_owned();
    string = string.trim_right_matches("\n").to_owned();
    
    return Ok(string);
}