span>

<span class='kw'>def</span> <span class='id identifier rubyid_valid?'>valid?</span><span class='lparen'>(</span><span class='id identifier rubyid_value'>value</span><span class='rparen'>)</span>
  <span class='op'>!</span><span class='id identifier rubyid_value'>value</span> <span class='op'>||</span> <span class='id identifier rubyid_allowable_values'>allowable_values</span><span class='period'>.</span><span class='id identifier rubyid_include?'>include?</span><span class='lparen'>(</span><span clas