On Thu, Jun 27, 2013 at 10:59 PM, Raubertas, Richard <richard_rauber...@merck.com> wrote: > Dear list, > > Utils::modifyList() drops NULL components in its second argument, instead of > adding them to the first argument. Compare: >> modifyList(x=list(A=1), val=list(B=2, C=3)) > $A > [1] 1 > > $B > [1] 2 > > $C > [1] 3 > >> modifyList(x=list(A=1), val=list(B=NULL, C=3)) > $A > [1] 1 > > $C > [1] 3 > > To me this seems inconsistent with the documentation ("Elements in 'val' > which are missing from 'x' are added to 'x'."),
Agreed. > and also with how I'd want the function to behave. Note that you still get > foo <- modifyList(x=list(A=1), val=list(B=NULL, C=3)) > foo$B NULL So is there a specific reason you want the NULL elements to be explicitly listed? -Deepayan > >> sessionInfo() > R version 3.0.1 Patched (2013-06-16 r62969) > Platform: x86_64-w64-mingw32/x64 (64-bit) > > locale: > [1] LC_COLLATE=English_United States.1252 > [2] LC_CTYPE=English_United States.1252 > [3] LC_MONETARY=English_United States.1252 > [4] LC_NUMERIC=C > [5] LC_TIME=English_United States.1252 > > attached base packages: > [1] stats graphics grDevices utils datasets methods base > > > Richard Raubertas > Merck & Co. ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel