an class="special">::</span><span class="identifier">container</span><span class="special">::</span><span class="identifier">vector</span><span class="special">&lt;</span><span class="identifier">MyClass</span><span class="special">&gt;</span> <span class="identifier">vector_</span><span class="special">;</span>
<span class="special">};</span>
</pre>
<p>
      </p>
<p>
        Then we can define <code class="computeroutput"><span class="identifier">MyClass</span></code>
        in its own header file.
     