e></td></tr></table><code><span>}</span></code></div><div class="spec-doc"><p>Type of a procedure callback:</p><ul><li>List of all the procedures the callback will be called on.</li><li>get_proc_desc to get a proc desc from a proc name</li><li>Type environment.</li><li>Procedure for the callback to act on.</li></ul></div></div><div class="odoc-spec"><div class="spec type" id="type-proc_callback_t" class="anchored"><a href="#type-proc_callback_t" class="anchor"></a><code><span><span class="keyword">type</spa