'id identifier rubyid_names'>names</span><span class='period'>.</span><span class='id identifier rubyid_first'>first</span><span class='period'>.</span><span class='id identifier rubyid_empty?'>empty?</span>

  <span class='id identifier rubyid_names'>names</span><span class='period'>.</span><span class='id identifier rubyid_inject'>inject</span><span class='lparen'>(</span><span class='const'>Object</span><span class='rparen'>)</span> <span class='kw'>do</span> <span class='op'>|</span><span class='id iden