g</a></span></code></dt><dd><p>Captures one arg of the given type</p></dd></dl><dl><dt class="spec value" id="val-capt_arg_payload_of_typ"><a href="#val-capt_arg_payload_of_typ" class="anchor"></a><code><span class="keyword">val</span> capt_arg_payload_of_typ : <span><span>(<span class="type-var">'context</span>, unit, <span class="type-var">_</span>, <span class="type-var">'arg_payload</span>)</span> <a href="../index.html#type-name_matcher">name_matcher</a></span> <span>&#45;&gt;</span> <span><span>(<s