&nbsp;&nbsp;&nbsp;<span class="constructor">Bs_stdlib_mini</span>.<span class="constructor">Obj</span>.t&nbsp;option&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;<span class="constructor">Bs_stdlib_mini</span>.<span class="constructor">Obj</span>.t&nbsp;<span class="constructor">Js_undefined</span>.t<br>
&nbsp;&nbsp;<span class="keyword">val</span>&nbsp;option_get_unwrap&nbsp;:&nbsp;<span class="keywordsign">'</span>a&nbsp;option&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;<span class="constructor"