On 22 June 2016 at 18:29, Hadley Wickham wrote: | Try warningcall(R_NilValue, "message")
Nice one: R> cppFunction("void foo(std::string txt) { Rf_warningcall(R_NilValue, txt.c_str()); }") R> foo("magic!") Warning message: magic! R> Dirk -- http://dirk.eddelbuettel.com | @eddelbuettel | e...@debian.org ______________________________________________ R-package-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-package-devel