ign">-&gt;</span>&nbsp;<span class="keywordsign">'</span>a<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=&nbsp;<span class="string">"%caml_ba_unsafe_ref_3"</span><br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keyword">external</span>&nbsp;unsafe_set&nbsp;:<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(<span class="keywordsign">'</span>a,&nbsp;<span class="keywordsign">'</span>b,&nbsp;<span class="keywordsign">'</span>c)&nbsp;<span class="constructor">Bigarray</span>.<span class="constru