<span class="keyword">val</span>&nbsp;recursive_types&nbsp;:&nbsp;bool&nbsp;<span class="constructor">Stdlib</span>.ref<br>
&nbsp;&nbsp;<span class="keyword">val</span>&nbsp;strict_sequence&nbsp;:&nbsp;bool&nbsp;<span class="constructor">Stdlib</span>.ref<br>
&nbsp;&nbsp;<span class="keyword">val</span>&nbsp;strict_formats&nbsp;:&nbsp;bool&nbsp;<span class="constructor">Stdlib</span>.ref<br>
&nbsp;&nbsp;<span class="keyword">val</span>&nbsp;applicative_functors&nbsp;:&nbsp;bool&nbsp;<span class="constructor