d">default_value</SPAN>, 
            std::streamsize pback_size = <SPAN CLASS="omitted">default_value</SPAN> );

        <SPAN CLASS="comment">// Forwarding constructors</SPAN>

    <SPAN CLASS="keyword">template</SPAN>&lt;<SPAN CLASS="keyword">typename</SPAN> U&gt;
    <A CLASS="documented" HREF="#stream_forwarding_constructors">stream</A>([<SPAN CLASS="keyword">const</SPAN>] U& u);

    <SPAN CLASS="keyword">template</SPAN>&lt;<SPAN CLASS="keyword">typename</SPAN> U1, <SPAN CLASS="keyword">typename</SPAN