t;
    <A CLASS="documented" HREF="#stream_forwarding_constructors">stream</A>([<SPAN CLASS="keyword">const</SPAN>] U1&amp; u1, <SPAN CLASS="keyword">const</SPAN> U2&amp; u2, <SPAN CLASS="omitted">...</SPAN>, <SPAN CLASS="keyword">const</SPAN> UN&amp; uN);

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