lass="anchor"></a><code><span class="keyword">module </span><a href="Q">Q</a> : <span class="keyword">sig</span> ... <span class="keyword">end</span></code></div><div class="spec module" id="module-Rb"><a href="#module-Rb" class="anchor"></a><code><span class="keyword">module </span><a href="Rb">Rb</a> : <span class="keyword">sig</span> ... <span class="keyword">end</span></code></div><div class="spec module" id="module-Rp"><a href="#module-Rp" class="anchor"></a><code><span class="keyword">module </span><a