tual operator execution is deferred. Samples:
      </p>
<pre class="programlisting"><span class="identifier">arg1</span> <span class="special">+</span> <span class="identifier">arg2</span>
<span class="number">1</span> <span class="special">+</span> <span class="identifier">arg1</span> <span class="special">*</span> <span class="identifier">arg2</span>
<span class="number">1</span> <span class="special">/</span> <span class="special">-</span><span class="identifier">arg1</span>
<span class="identifier">arg