r">_2</span> <span class="special">-</span> <span class="identifier">_3</span><span class="special">]);</span> <span class="comment">// --&gt; if_(_1 / _4)[_2 + _3]</span>
<span class="identifier">_1</span> <span class="special">*</span> <span class="identifier">invert</span><span class="special">(</span><span class="identifier">_2</span> <span class="special">-</span> <span class="identifier">_3</span><span class="special">));</span>         <span class="comment">// --&gt; _1 * _2 + _3</span>
</pre>
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