Well, feel free to ignore my post, but the gist was that anything you have access to in R can be passed by your R API code to your Rcpp code. Also, due to R's GC you should usually avoid caching references between calls to your Rcpp code anyway.
On March 24, 2023 12:40:43 PM PDT, Matthew Supernaw - NOAA Federal <matthew.super...@noaa.gov> wrote: >Hi Jeff, >I'm not sure I understand your comment. The code is part of a package. >We're just trying to sync the declared object name in the R environment to >the object in the Rcpp module programmatically from c++ for internal use. I >just wondered if there was a way to access the wrapped object in the >Rcpp:::PreserveStorage class and Dirk answered that question. >Thanks. >Matthew > > >On Fri, Mar 24, 2023 at 2:34 PM Jeff Newmiller <jdnew...@dcn.davis.ca.us> >wrote: > >> Matthew... the normal context for sharing Rcpp code is within a package. >> It is a no-brainer to have an R API called by the user that calls whatever >> Rcpp code it needs to, which is why your objection seems inappropriate to >> me. >> >> On March 24, 2023 10:43:34 AM PDT, Dirk Eddelbuettel <e...@debian.org> >> wrote: >> > >> >On 24 March 2023 at 13:08, Matthew Supernaw - NOAA Federal wrote: >> >| I'm sure it's possible to do from the R side, however, the requirement >> is to >> >| hide this from the end user and set the reference objects name to the >> declared >> >| name from the R environment. If I view the environment in RStudio, >> there is >> >| much more information available. ls() only returns a list of objects by >> their >> >| declared name. I'm wondering how to get more details about elements in >> the >> >| environment. >> > >> >Thanks for additional color. That may be a very interesting and valuable >> >question _for the C API of R_ and youe guess of "maybe Rcpp has a helper" >> is >> >a good one. Sadly, I fear we may not have anything for you. >> > >> >Dirk >> > >> >-- >> >dirk.eddelbuettel.com | @eddelbuettel | e...@debian.org >> >_______________________________________________ >> >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 >> -- >> Sent from my phone. Please excuse my brevity. >> > > -- Sent from my phone. Please excuse my brevity. _______________________________________________ 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
