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