Many many thanks for the clarification, which is very clear! The case of testthat is a very good example, as many packages suggest it.
Regards, Shu Fai On Sat, Nov 4, 2023 at 4:41 PM Iñaki Ucar <iu...@fedoraproject.org> wrote: > > > > El sáb., 4 nov. 2023 5:43, Shu Fai Cheung <shufai.che...@gmail.com> escribió: >> >> Hi All, >> >> I vaguely recall that, on CRAN, if PkgA imports PkgB, then PkgB cannot >> import PkgA. (Please correct me if I am wrong.) >> >> How about this? >> >> PkgA imports PkgB (because PkgA has some helper functions for using PkgB) >> PkgB suggests PkgA (because some vignettes or examples in PkgB use >> those helpers from PkgA) > > > Or some tests are based on PkgA, or... > >> Is this allowed on CRAN? > > > Yes, it is. For example: testthat imports a bunch of packages to do is thing, > and those packages suggest testthat because their test suite is based on it. > > Cycles of hard dependencies (Depends, Imports) are not allowed for obvious > reasons. But packages should install and work without soft dependencies, so > there's no problem there. > > Iñaki ______________________________________________ R-package-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-package-devel
