Displaying 1 result from an estimated 1 matches for "nilvalu".
Did you mean:
nilvalue
2020 Sep 07
0
some questions about R internal SEXP types
Thanks, Gabriel.
On Mon, 2020-09-07 at 14:38 -0700, Gabriel Becker wrote:
> I cannot speak to initial intent, perhaps others can. I can say that
> there is at least one place where the difference between R_NilValue
> and NULL is very important as of right now. The current design of the
> ALTREP framework contract expects ALTREP methods that return a SEXP
> to return C NULL when they fail (or decline) to do the requested
> computation and the non-altclass-specific machinery should be run as
> a...