.Karma</em></span> sequence: <code class="computeroutput"><span class="char">'{'</span>
          <span class="special">&lt;&lt;</span> <span class="identifier">karma</span><span class="special">::</span><span class="identifier">double_</span> <span class="special">&lt;&lt;</span> <span class="char">','</span> <span class="special">&lt;&lt;</span> <span class="identifier">karma</span><span class="special">::</span><span class="identifier">double_</span> <span class="special">&lt;&lt;</span> <span class="cha