eated)</b></h4>
    <p>
      Now that we have created a parser, how do we use it? Like the result of
      any C++ temporary object, we can either store it in a variable, or call
      functions directly on it.
    </p>
    <p>
      We'll gloss over some low-level C++ details and just get to the good
      stuff.
    </p>
    <p>
      If <b><tt>r</tt></b> is a rule (don't worry about what rules exactly are
      for now. This will be discussed later. Suffice it to say that the rule is
      a placeholder