\begin{DoxyRefList}
\item[\label{todo__todo000001}%
\hypertarget{todo__todo000001}{}%
Class \hyperlink{classfilval_1_1WrapperVector}{filval\+:\+:Wrapper\+Vector$<$ T $>$} ]avoid an unneccessary copy and set the vectors data directly.  
\item[\label{todo__todo000002}%
\hypertarget{todo__todo000002}{}%
Class \hyperlink{classfilval_1_1ZipMapFour}{filval\+:\+:Zip\+Map\+Four$<$ R, T $>$} ]find way to implement for arbitrary number(and possibly type) of vector inputs. 
\end{DoxyRefList}