-get_wto_index" class="anchor"></a><code><span class="keyword">val</span> get_wto_index : <a href="index.html#type-t">t</a> <span>&#45;&gt;</span> int</code></dt><dt class="spec value" id="val-set_code_block_exit"><a href="#val-set_code_block_exit" class="anchor"></a><code><span class="keyword">val</span> set_code_block_exit : <a href="index.html#type-t">t</a> <span>&#45;&gt;</span> <span>code_block_exit:<a href="index.html#type-t">t</a></span> <span>&#45;&gt;</span> unit</code></dt><dd><p>Set an exit node 