Well, I'm pretty sure that, inside package A, calling B::functionName will not work if B has not been imported. That's why I use ::: (after spending some time trying to figure out why :: didn't work). At least that was the state of affairs as of R 2.9 or so, perhaps things have changed since then.
Peter On Mon, Jan 3, 2011 at 4:48 PM, Hadley Wickham <had...@rice.edu> wrote: >>> I think you mean packagename::functionname? The three colon form is >>> for accessing non-exported objects. >> >> Normally two colons suffice, but within a package you need three to >> access exported but un-imported objects :) > > Are you sure? > > Note that it is typically a design mistake to use ‘:::’ in your > code since the corresponding object has probably been kept > internal for a good reason. Consider contacting the package > maintainer if you feel the need to access the object for anything > but mere inspection. > > Hadley > > -- > Assistant Professor / Dobelman Family Junior Chair > Department of Statistics / Rice University > http://had.co.nz/ > ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
