fier">vec_c</span><span class="special">;</span>
<span class="identifier">fusion</span><span class="special">::</span><span class="identifier">vector2</span><span class="special">&lt;</span><span class="keyword">int</span><span class="special">,</span> <span class="keyword">long</span><span class="special">&gt;</span> <span class="identifier">v</span><span class="special">(</span><span class="identifier">vec_c</span><span class="special">);</span>
<span class="identifier">std</span><span class="special">::<