On 29 July 2015 at 15:12, Dirk Eddelbuettel wrote: | All this is becoming a wee bit obscure. The focus of the list is to help | people use R, not to navigate constraints built into the R system. Sorry: "... is to help people use Rcpp, not to ..." Dirk -- http://dirk.eddelbuettel.com | @eddelbuettel | edd at debian.org