[Rcpp-devel] Passing template class as argument in Rcpp function

[Dirk Eddelbuettel]

PS And building on top of my post and what Inaki told you, you can of course
have C++ fancypants __provided the fancypants have something as for example
the operator SEXP() in the Rcpp::Nullable().  In short, whatever you do, it
(ultimately) has to convert to a SEXP or there is no calling from R.

Dirk

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