s='kw'>case</span> <span class='id identifier rubyid_datatype'>datatype</span><span class='period'>.</span><span class='id identifier rubyid_to_s'>to_s</span>
    <span class='kw'>when</span> <span class='tstring'><span class='regexp_beg'>/</span><span class='tstring_content'>Integer</span><span class='regexp_end'>/i</span></span>
      <span class='id identifier rubyid_value'>value</span><span class='period'>.</span><span class='id identifier rubyid_to_i'>to_i</span>
    <span class='kw'>when</span> <span 