span> <span class="type-var">'f_in</span> <span>&#45;&gt;</span> <span><span>(<span class="type-var">'context</span>, <span class="type-var">'f_out</span>, <span class="type-var">'arg_payload</span>)</span> <a href="index.html#type-matcher">matcher</a></span></code></dt><dd><p>Ends function arguments, binds the function</p></dd></dl><dl><dt class="spec value" id="val-($)"><a href="#val-($)" class="anchor"></a><code><span class="keyword">val</span> ($) : <span><span>(<span class="type-var">'context</span>,