Excellent, thanks for the update. Jelmer
On Sat, May 14, 2011 at 17:20, Dirk Eddelbuettel <[email protected]> wrote: > > On 13 May 2011 at 11:58, Dirk Eddelbuettel wrote: > | On 13 May 2011 at 16:35, Jelmer Ypma wrote: > | | Dear Rcpp-list, > | | > | | I'm trying to expose multiple constructors of a C++ class to R using > | | modules. Here is an example of what I want to do based on the Uniform > | | example > > [...] > > | | Compilation works fine (on Windows using RTools, Rcpp_0.9.4.1, > | | inline_0.3.8), but the R code cannot distinguish between two > | | constructors with the same number of arguments, but with different > | | types for the arguments and always calls Uniform(double, double). The > | > | If I recall correctly, we have determined that this cannot work. It is one > of > | these 'obvious in hindsight' issue. Recall that R does the dispatch, and R > | cannot differentiate between foo(double) and foo(int) as it is not typed. > | > | So I think you will have to differentiate the constructors by name. Sorry > | about that, but even Rcpp modules has its limits. > | > | And I may of course be wrong too in which case Romain may come in and > | clarify. > > I got a brief word in with Romain who clarified that this ought to be > possible but may not be right now. So stay tuned -- with some luck Romain > may be able to improve on what we currently have. > > In the meantime you may have to make do with different setter functions. > > Dirk > > -- > Gauss once played himself in a zero-sum game and won $50. > -- #11 at http://www.gaussfacts.com > _______________________________________________ Rcpp-devel mailing list [email protected] https://lists.r-forge.r-project.org/cgi-bin/mailman/listinfo/rcpp-devel
