n> <span>count:int</span> <span>&#45;&gt;</span> <span><span class="type-var">'a</span> <a href="index.html#type-ptr">ptr</a></span></code></dt><dt class="spec value" id="val-ptr_compare"><a href="#val-ptr_compare" class="anchor"></a><code><span class="keyword">val</span> ptr_compare : <span><span class="type-var">'a</span> <a href="index.html#type-ptr">ptr</a></span> <span>&#45;&gt;</span> <span><span class="type-var">'a</span> <a href="index.html#type-ptr">ptr</a></span> <span>&#45;&gt;</span> int</code><