an class='json'>Array</span>.
</p>
</div>

<div class="api_docstring">
  <p class="api">[macro]
<code class='api'><span class='api-name'>as-array-member</span>
(<span class='lambda-kwd'>&amp;optional</span> <span class='arg-name'>stream</span>)
<span class='lambda-kwd'>&amp;body</span>
<span class='arg-name'>body</span>
</code>
  </p>
<p class='docstring'>
<span class='arg-name'>Body</span> should be a program which encodes exactly one JSON datum to <span class='arg-name'>stream</span>.  <span class='api-na