n> <span class='id identifier rubyid_num_arg_types'>num_arg_types</span>
  <span class='kw'>return</span> <span class='lbracket'>[</span><span class='rbracket'>]</span> <span class='kw'>if</span> <span class='id identifier rubyid_num'>num</span> <span class='op'>==</span> <span class='op'>-</span><span class='int'>1</span>

  <span class='id identifier rubyid_types'>types</span> <span class='op'>=</span> <span class='lbracket'>[</span><span class='rbracket'>]</span>
  <span class='kw'>for</span> <span class