<span class="arrow">&#45;&gt;</span></span> <span><a href="../index.html#type-access_expression">access_expression</a> option</span></span></code></div><div class="spec-doc"><p>address_of doesn't always make sense, eg <code>address_of (Dereference t)</code> is <code>None</code></p></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-address_of_base"><a href="#val-address_of_base" class="anchor"></a><code><span><span class="keyword">val</span> address_of_base : <span><a href="../../Acc