n> proc_callback_t</span><span> = <span><a href="#type-proc_callback_args">proc_callback_args</a> <span class="arrow">&#45;&gt;</span></span> <a href="../Summary/index.html#type-t">Summary.t</a></span></code></div></div><div class="odoc-spec"><div class="spec type" id="type-file_callback_args" class="anchored"><a href="#type-file_callback_args" class="anchor"></a><code><span><span class="keyword">type</span> file_callback_args</span><span> = </span><span>{</span></code><table><tr id="type-file_callback_args