BasicInterface.AbstractValue.t</a> <span class="arrow">&#45;&gt;</span></span>
    <span><a href="#type-value">value</a> <span class="arrow">&#45;&gt;</span></span>
    <span><a href="#type-value">value</a> <span class="arrow">&#45;&gt;</span></span>
    <span><a href="#type-value">value</a> option</span>)</span> <span class="arrow">&#45;&gt;</span></span>
  <span><a href="#type-t">t</a> <span class="arrow">&#45;&gt;</span></span>
  <span><a href="#type-t">t</a> <span class="arrow">&#45;&gt;</span></span>
 