ASS="keyword">const</SPAN> U2& u2, <SPAN CLASS="omitted">...</SPAN>, <SPAN CLASS="keyword">const</SPAN> UN& uN);

    <SPAN CLASS="keyword">void</SPAN> <A CLASS="documented" HREF="#stream_open">open</A>( <SPAN CLASS="keyword">const</SPAN> T& t,
               std::streamsize buffer_size = <SPAN CLASS="omitted">default_value</SPAN>, 
               std::streamsize pback_size = <SPAN CLASS="omitted">default_value</SPAN> );

        <SPAN CLASS="comment">// Forwarding overloads of open()</SPAN>

    <SPAN CLAS