an class='lparen'>(</span><span class='id identifier rubyid_type'>type</span><span class='comma'>,</span> <span class='id identifier rubyid_value'>value</span><span class='rparen'>)</span>
  <span class='kw'>case</span> <span class='id identifier rubyid_type'>type</span><span class='period'>.</span><span class='id identifier rubyid_to_sym'>to_sym</span>
  <span class='kw'>when</span> <span class='symbol'>:Time</span>
    <span class='const'>Time</span><span class='period'>.</span><span class='id identifier 