Recall that R offers us a C language interface
SEXP .Call("somename", SEXP a, SEXP b, ...);
which imposes constraints on what you put there. I.e. no C++ fancypants.
You can write yourself a _C_ function interface and pass your desired type as
a string, or enum (i.e. int), or ... and then dispatch within.
We are playing the hands we've been dealt here.
Dirk
--
https://dirk.eddelbuettel.com | @eddelbuettel | e...@debian.org
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