'f_in</span>, <span class="type-var">'f_interm</span>, <a href="../index.html#type-accept_more">accept_more</a>, <span class="type-var">'arg_payload</span>)</span> <a href="../index.html#type-templ_matcher">templ_matcher</a></span> <span class="arrow">&#45;&gt;</span></span>
  <span><span><span>(<span class="type-var">'f_interm</span>, <span class="type-var">'f_out</span>, <span class="type-var">'lc</span>)</span> <a href="../index.html#type-template_arg">template_arg</a></span> <span class="arrow">&#45;&gt