rocname.t</a> <span>&#45;&gt;</span> <span><span><span class="type-var">'arg_payload</span> <a href="FuncArg/index.html#type-t">FuncArg.t</a></span> list</span> <span>&#45;&gt;</span> <span><span class="type-var">'f</span> option</span></code></span></summary><dl><dt class="spec type" id="type-matcher"><a href="#type-matcher" class="anchor"></a><code><span class="keyword">type</span> <span>('context, 'f, 'arg_payload) matcher</span></code></dt><dt class="spec type" id="type-dispatcher"><a href="#type-dispat