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

Gábor Csárdi c@@rd|@g@bor @end|ng |rom gm@||@com
Mon Dec 16 11:02:36 CET 2019

It is in the source:

It could probably be in


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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