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'."), and also with how I'd want the
function to behave.
> 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.
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