span>&#45;&gt;</span> <a href="index.html#type-t">t</a> <span>&#45;&gt;</span> <a href="index.html#type-summary">summary</a></code></dt><dt class="spec value" id="val-filter_blocking_calls"><a href="#val-filter_blocking_calls" class="anchor"></a><code><span class="keyword">val</span> filter_blocking_calls : <a href="index.html#type-t">t</a> <span>&#45;&gt;</span> <a href="index.html#type-t">t</a></code></dt><dt class="spec value" id="val-remove_dead_vars"><a href="#val-remove_dead_vars" class="anchor"></a><