or">Bopt</span>.t<br>
&nbsp;&nbsp;<span class="keyword">val</span>&nbsp;or_&nbsp;:&nbsp;else_:<span class="keywordsign">'</span>a&nbsp;<span class="constructor">Bopt</span>.t&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;<span class="keywordsign">'</span>a&nbsp;<span class="constructor">Bopt</span>.t&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;<span class="keywordsign">'</span>a&nbsp;<span class="constructor">Bopt</span>.t<br>
&nbsp;&nbsp;<span class="keyword">val</span>&nbsp;orLazy&nbsp;:&nbsp;else