On Wed, Mar 20, 2013 at 7:28 AM, peter dalgaard <pda...@gmail.com> wrote: > Allowing partial matching on $-extraction has always been a source of > accidents. Recently, someone who shall remain nameless tried names(mydata) <- > "d^2" followed by mydata$d^2. > > As variables in a data frame are generally considered similar to variables > in, say, the global environment, it seems strange that foo$bar can give you > the content of foo$bartender. > > In R-devel (i.e., *not* R-3.0.0 beta, but 3.1.0-to-be) partial matches now > gives a warning.
Just for data frames, or also for lists? I think this is a fantastic change, but I do worry a little that it is going to generate warnings for a _lot_ of existing code. Hadley -- Chief Scientist, RStudio http://had.co.nz/ ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel
