
    <td>
      <pre class="code"><span class="info file"># File 'lib/rrtf/colour.rb', line 152</span>

<span class='kw'>def</span> <span class='id identifier rubyid_index'>index</span><span class='lparen'>(</span><span class='id identifier rubyid_colour'>colour</span><span class='rparen'>)</span>
   <span class='id identifier rubyid_index'>index</span> <span class='op'>=</span> <span class='ivar'>@colours</span><span class='period'>.</span><span class='id identifier rubyid_index'>index</span><span class='