y"><span class="keyword">val</span> get_copy</span> : <code class="type">'a <a href="Weak.html#TYPEt">t</a> -&gt; int -&gt; 'a option</code></pre><div class="info ">
<code class="code"><span class="constructor">Weak</span>.get_copy ar n</code> returns None if the <code class="code">n</code>th cell of <code class="code">ar</code> is
   empty, <code class="code"><span class="constructor">Some</span> x</code> (where <code class="code">x</code> is a (shallow) copy of the value) if
   it is full.
   In addition 