Peter, On 17 April 2011 at 10:45, schattenpfla...@arcor.de wrote: | Hello, | | I have made progress exposing my C++ classes to R with Rcpp-Modules and | I really like the way it works. Thanks for this great package! | | There are, however, lots of aspects about Rcpp which I do not yet fully | understand. Here is one of them: | I have exposed a C++ class MyClass to R via an Rcpp module. Now I would | like to write a C++ function, which creates (pointers to) objects of | this class. The return type should ideally be a vector/list of pointers | to the created C++ objects. The pointers should have the same type as | those returned by the exposed constructors of MyClass in the module. In | particular, I want R to do the memory management and garbage collection | when I destroy the returned list of pointers. | | When I try to directly wrap an object of type MyClass or a pointer to it | or a List containing it, I get compiler errors. So I suppose this is not | the way to do it. I can create a vector of Rcpp::XPtrs and return it | successfully to R, but then I cannot use the objects in R in the same | way as those created by the constructor, namely object_pointer$method(). | | Is there a way to achieve this or can you recommend a reasonable | alternative design? | How are XPtrs related to the objects a Rcpp-Module class constructor | returns, if at all?
Could you mock up a small example? | Meta question: | Is there a search function for the Rcpp mailing list archive? I just constrain Google to, say, site:gmane.org to restrict the search to a particular site. And I also use grep on my folder with the list messages. Dirk -- Dirk Eddelbuettel | e...@debian.org | http://dirk.eddelbuettel.com _______________________________________________ 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
