.External2() is not in the API and is not intended to be used in packages. Packages that for whatever reason have chosen to use it could instead use .External(), and that is what yo should use. I don't expect that to be enforced by the check code soon, but it might be.
[.External2() exists for historical reason to ease moving things that used to be primitives in base out into packages where they fit more naturally. It could be removed now, but I don't think that is high on anyone's priority list.] Best, luke On Wed, 1 May 2024, Konrad Rudolph wrote:
Hello, Is the `.External2()` function part of the public API, and can it be used in R packages submitted to CRAN? I would like to start using it in a package, and there *are* packages on CRAN which use it. But its man page [1] calls it “internal”, R-exts doesn’t mention it at all (unlike `.C()`, `.Call()` and `.External()`), and it doesn’t have any actual documentation. In the context of the recent tightening of the C API CRAN rules, this makes me concerned that `.External2()` might be next on the chopping block. [1] https://stat.ethz.ch/R-manual/R-devel/library/base/html/Foreign-internal.html Cheers,
-- Luke Tierney Ralph E. Wareham Professor of Mathematical Sciences University of Iowa Phone: 319-335-3386 Department of Statistics and Fax: 319-335-3017 Actuarial Science 241 Schaeffer Hall email: luke-tier...@uiowa.edu Iowa City, IA 52242 WWW: http://www.stat.uiowa.edu/ ______________________________________________ R-package-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-package-devel
