</span>&nbsp;unbox_closures_factor&nbsp;:&nbsp;int&nbsp;<span class="constructor">Stdlib</span>.ref<br>
&nbsp;&nbsp;<span class="keyword">val</span>&nbsp;default_unbox_closures_factor&nbsp;:&nbsp;int<br>
&nbsp;&nbsp;<span class="keyword">val</span>&nbsp;unbox_free_vars_of_closures&nbsp;:&nbsp;bool&nbsp;<span class="constructor">Stdlib</span>.ref<br>
&nbsp;&nbsp;<span class="keyword">val</span>&nbsp;unbox_specialised_args&nbsp;:&nbsp;bool&nbsp;<span class="constructor">Stdlib</span>.ref<br>
&nbsp;&nbsp;<span