On 12/06/2015 4:12 AM, Martin Maechler wrote: > This is a topic ' "apparent S3 methods" note in R CMD check ' > from R-package-devel > https://stat.ethz.ch/pipermail/r-package-devel/2015q2/000126.html > > which is relevant to here because some of us have been thinking > about extending R because of the issue. > > John Fox, maintainer of the 'effects' package has enquired about > the following output from 'R CMD check effects' > > >> * checking S3 generic/method consistency ... NOTE > >> Found the following apparent S3 methods exported but not registered: > >> all.effects > > and added > > >> The offending function, all.effects(), is deprecated in favour of > >> allEffects(), but I'd rather not get rid of it for backwards > compatibility. > >> Is there any way to suppress the note without removing all.effects()? > > and I had agreed that this was a "False Positive" in this case. > > [.......] > > and then > > > Now I agree .. and have e-talked about this with another R core > > member .. that it would be desirable for the package author to > > effectively declare the fact that such a function is not an S3 > > method even though it "looks like it" at least if looked from far. > > > So, ideally, you could have something like > > > nonS3method("all.effects") > > > somewhere in your package source ( in NAMESPACE or R/*.R ) > > which would tell the package-checking code -- but *ALSO* all the other > S3 > > method code that all.effects should be treated as a regular R > > function. > > > I would very much like such a feature in R, and for that reason, > > I'm cross posting this (as one of the famous exceptions that > > accompany real-life rules!!) to R-devel. > > and actually I did *not* cross post, but have now moved the > relevant part of the thread to R-devel. >
It sounds like a good idea. It's a nontrivial amount of work, because of the "all the other S3 method code" part. There's the question of functions defined outside of packages: presumably they are still S3 methods, with no way to suppress that. Duncan ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel