On 12/07/2015 4:01 PM, Dean Attali wrote: > I have a package that is using the 'is' function from the 'methods' > package. My package has been on CRAN for some time now and has had 3 > different versions already. Yesterday when submitting, I got a response > with: > > * checking R code for possible problems ... NOTE >> ggMarginal: no visible global function definition for 'is' >> Undefined global functions or variables: >> is > > > So I fixed it by changing 'is' to 'methods::is', and then I got a response > > * checking dependencies in R code ... WARNING >> '::' or ':::' import not declared from: ‘methods’ > > > So I suppose I need to declare 'methods' in my imported packages. > > My question is: is this a new requirement, to explicitly import 'methods' > and namespace functions from it, or has it always been a requirement but I > just wasn't caught? Or is it not even a requirement and the R CMD check was > being weird? >
It is a new requirement. As Joshua Ulrich posted on Friday, > Yes, this is expected. See: > http://developer.r-project.org/blosxom.cgi/R-devel/NEWS/2015/06/29#n2015-06-29 > > And an earlier email on this list: > https://stat.ethz.ch/pipermail/r-package-devel/2015q2/000171.html ______________________________________________ R-package-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-package-devel