title: Class is not a class template
body: <p>i get the error : class is not a class template .Any idea why?</p>
  
  <pre><code>template&lt;class T&gt;
  class nod{
            friend class lista&lt;T&gt;;
  protected:
            T info;
            nod&lt;T&gt; *urm,*prec;
          };
  </code></pre>