<div class="spec module" id="module-Param"><a href="#module-Param" class="anchor"></a><code><span class="keyword">module </span><a href="Param">Param</a> : <span class="keyword">sig</span> ... <span class="keyword">end</span></code></div><div class="spec module" id="module-Picture"><a href="#module-Picture" class="anchor"></a><code><span class="keyword">module </span><a href="Picture">Picture</a> : <span class="keyword">sig</span> ... <span class="keyword">end</span></code></div><div class="spec module" id=