aptured_data">captured_data</a> <span class="arrow">&#45;&gt;</span></span>
  <span><span class="label">is_weak</span>:bool <span class="arrow">&#45;&gt;</span></span>
  <a href="#type-t">t</a></span></code></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-is_capture_field_in_closure"><a href="#val-is_capture_field_in_closure" class="anchor"></a><code><span><span class="keyword">val</span> is_capture_field_in_closure : <span><a href="#type-t">t</a> <span class="arrow">&#45;&gt;</sp