span class="keyword">class</span> <span class="keyword">type</span> ['a, 'b] <a href="class-type-event2/index.html">event2</a> = <span class="keyword">object</span> ... <span class="keyword">end</span></code></div><div class="spec class-type" id="class-type-event3"><a href="#class-type-event3" class="anchor"></a><code><span class="keyword">class</span> <span class="keyword">type</span> ['a, 'b, 'c] <a href="class-type-event3/index.html">event3</a> = <span class="keyword">object</span> ... <span class="keywo