Dear RCpp developer community, I put together a small proof of concept for the xtensor R bindings over the weekend. It lives here: https://github.com/QuantStack/xtensor-r
xtensor is an exciting C++ library which provides a unified C++ tensor interface for Python/NumPy, Julia and soon R. My biggest question is in the memory management of R. Maybe you could do a quick code review? Is it enough to call Rcpp_release_object with the SEXP in the destructor of the rxarray (which I haven't implemented yet)? Also for the shape of the rxarray, I allocate another R-vector. Is that going to get destroyed upon destruction of the R-array? Best, Wolf
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