span class="type-var">'a</span> <span>&#45;&gt;</span> unit</code></dt><dt class="spec value" id="val-unsafe_set"><a href="#val-unsafe_set" class="anchor"></a><code><span class="keyword">val</span> unsafe_set : <span><span class="type-var">'a</span> <a href="index.html#type-t">t</a></span> <span>&#45;&gt;</span> int <span>&#45;&gt;</span> <span class="type-var">'a</span> <span>&#45;&gt;</span> unit</code></dt><dt class="spec value" id="val-update"><a href="#val-update" class="anchor"></a><code><span class="