ference internal" href="#modifiers">modifiers</a>
        void      push_front( T* x );
        template&lt; class U &gt;
        void      push_front( <a class="reference external" href="compatible_smart_ptr.html"><em>compatible-smart-ptr</em></a>&lt;U&gt; x );
        auto_type pop_front();

    public: // <a class="reference internal" href="#pointer-container-requirements">pointer container requirements</a>
       auto_type replace( size_type idx, T* x );
       template&lt; class U &gt;
       auto_type