Hello,
Another thing I have developped in dplyr but might be generally useful
is the ListOf class. See
https://github.com/hadley/dplyr/blob/master/inst/include/tools/ListOf.h
The idea is to embed, by means of the template parameter what this list
contains. Of course it is only usable if the list contains only objects
that are compatible with the type.
So if we knew we had a list of numeric vector, we could use :
ListOf<NumericVector>, or ListOf< std::vector<double> >
so that when we use LisOf extracting operator, we know what we get. This
is something I've shared a few times on mailing list and SO, but could
be generally useufl for Rcpp users.
Do people want to see this in Rcpp.
This is orthogonal to everything else, so the risk is minimum. This is a
template class, so the cost is null if the class is not used.
Romain
--
Romain Francois
Professional R Enthusiast
+33(0) 6 28 91 30 30
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