a><code><span class="keyword">type</span> ping</code><code> = Stdint.int64</code></dt><dt class="spec type" id="type-pong"><a href="#type-pong" class="anchor"></a><code><span class="keyword">type</span> pong</code><code> = Stdint.int64</code></dt><dt class="spec type" id="type-t"><a href="#type-t" class="anchor"></a><code><span class="keyword">type</span> t</code><code> = </code><table class="variant"><tr id="type-t.INVALID" class="anchored"><td class="def constructor"><a href="#type-t.INVALID" class="ancho