On 29 November 2016 at 07:33, Whit Armstrong wrote: | Have a look at this project: | https://github.com/richfitz/RcppR6 Yes, intriguing, even promising, and beyond that, used -- but sadly not on CRAN. Dirk -- http://dirk.eddelbuettel.com | @eddelbuettel | edd at debian.org