I think the XPtr class is what you are looking for: http://www.r-bloggers.com/external-pointers-with-rcpp/
On Fri, Dec 5, 2014 at 2:45 AM, Jeroen Ooms <jeroen.o...@stat.ucla.edu> wrote: > Does Rcpp provide some elegant way to let the R user manage persistent > c++ objects that have no R type (e.g. internal handles or sessions of > some sort)? > > In C, I would use R_MakeExternalPtr to create a ptr SEXP that the user > can pass from one R function to another. This also makes it easy to > add a finalizer with R_RegisterCFinalizerEx so that the garbage > collector will automatically clean up the session/handle whenever user > deletes the R object. > > Most Rcpp examples I have seen use function arguments with standard > data types that are automatically mapped to R types. Does Rcpp have > any special mechanics for managing external objects (pointers) from R > which do not map to a SEXP type? Or do I have to fall back on > Rinternals for this? > _______________________________________________ > Rcpp-devel mailing list > Rcpp-devel@lists.r-forge.r-project.org > https://lists.r-forge.r-project.org/cgi-bin/mailman/listinfo/rcpp-devel _______________________________________________ Rcpp-devel mailing list Rcpp-devel@lists.r-forge.r-project.org https://lists.r-forge.r-project.org/cgi-bin/mailman/listinfo/rcpp-devel
