pan class="special">;</span>

    <span class="comment">// <a class="link" href="geometric_distribution/param_type.html#id-1_3_34_5_6_16_1_1_1_3_4-bb">friend functions</a></span>
    <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> CharT<span class="special">,</span> <span class="keyword">typename</span> Traits<span class="special">&gt;</span> 
      <span class="keyword">friend</span> <span class="identifier">std</span><span class="special">::</spa