[Rd] source definition for R_NilValue/return from TYPEOF(R_NilValue)

[Dan Kortschak]

Thank you, but those source lines do not address the issue here.

Dan

On Mon, 2019-12-16 at 10:02 +0000, Gábor Csárdi wrote:
> It is in the source:
>
https://github.com/wch/r-source/blob/ea8c13aef93058c71d647619583b561567856584/src/include/Rinternals.h#L110
>
https://github.com/wch/r-source/blob/ea8c13aef93058c71d647619583b561567856584/src/include/Rinternals.h#L1798
>
> It could probably be in
>
https://cran.r-project.org/doc/manuals/r-devel/R-lang.html#NULL-object
>
> Gabor
>
> On Mon, Dec 16, 2019 at 9:59 AM Dan Kortschak
> <dan.kortschak using adelaide.edu.au> wrote:
> >
> > Hello,
> >
> > for reasons I want to know the return value of TYPEOF(R_NilValue),
> > I
> > expect it to be NILSXP, but I can't find this documented anywhere.
> > Ideally, I'd like to see the source definition of R_NilValue, but
> > after
> > fair bit of searching I cannot find an obviously location for this.
> >
> > Would someone please point me in the right direction?
> >
> > thanks
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