ss="keyword">val</span>&nbsp;unsigned_to_int&nbsp;:&nbsp;int64&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;int&nbsp;option<br>
&nbsp;&nbsp;<span class="keyword">external</span>&nbsp;of_float&nbsp;:&nbsp;float&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;int64&nbsp;=&nbsp;<span class="string">"caml_int64_of_float"</span><br>
&nbsp;&nbsp;&nbsp;&nbsp;<span class="string">"caml_int64_of_float_unboxed"</span>&nbsp;[@@unboxed]&nbsp;[@@noalloc]<br>
&nbsp;&nbsp;<span class="keyword">external</span>&nbsp;to