]
    [:getfield :this "shape1" :long]
    [:lrem]
    [:ladd]
    [:lreturn]]}]}
</code></pre>
<p>In order to formulate this, we simply wrote a couple java files and compiled them,
then printed the byte code with
<a href="https://docs.oracle.com/javase/8/docs/technotes/tools/windows/javap.html">javap</a>.</p>
<p>It is important to note that the class derives from
<a href="../java/tech/v3/datatype/LongReader.java">LongReader</a>.  This is an interface that
defines an <a href=":int64-&gt;:int64">:int64-&gt;: