span class="identifier">LineString</span><span class="special">,</span> <span class="keyword">template</span><span class="special">&lt;</span> <span class="keyword">typename</span><span class="special">,</span> <span class="keyword">typename</span> <span class="special">&gt;</span> <span class="keyword">class</span> <span class="identifier">Container</span><span class="special">,</span> <span class="keyword">template</span><span class="special">&lt;</span> <span class="keyword">typename</span> <span class="