nd</span></code></div><div class="spec module" id="module-Bdi"><a href="#module-Bdi" class="anchor"></a><code><span class="keyword">module </span><a href="Bdi">Bdi</a> : <span class="keyword">sig</span> ... <span class="keyword">end</span></code></div><div class="spec module" id="module-Bdo"><a href="#module-Bdo" class="anchor"></a><code><span class="keyword">module </span><a href="Bdo">Bdo</a> : <span class="keyword">sig</span> ... <span class="keyword">end</span></code></div><div class="spec module" id="m