
<span class='arg-name'>json-source</span>
<span class='lambda-kwd'>&amp;body</span>
<span class='arg-name'>body</span>
</code>
  </p>
<p class="docstring">The stream, string, or file <code class="arg-name">json-source</code> should give off a JSON object hierarchy for which <code class="arg-name">vars</code> are structured keys.  The <code class="json">Value</code>s corresponding to these keys are decoded using the current decoder, <code class="arg-name">vars</code> are bound to the decoded values, and <co