theaders</a></code></td></tr><tr id="type-t.TX" class="anchored"><td class="def constructor"><a href="#type-t.TX" class="anchor"></a><code>| </code><code><span class="constructor">TX</span> <span class="keyword">of</span> <a href="../Tx/index.html#type-t">Tx.t</a></code></td></tr><tr id="type-t.BLOCK" class="anchored"><td class="def constructor"><a href="#type-t.BLOCK" class="anchor"></a><code>| </code><code><span class="constructor">BLOCK</span> <span class="keyword">of</span> <a href="../Block_lazy/index.