Jan, I believe it's because it has "a non-NULL attribute other than names" as per the documentation. In this case its class of "AsIs".
Best, ~G On Sun, Mar 29, 2020 at 6:29 AM Jan Gorecki <j.gore...@wit.edu.pl> wrote: > Dear R-devel, > > AsIs class seems to be well handled by `typeof` and `mode` function. > Those two functions are being referred when explaining `is.vector` > behaviour in manual. Yet `is.vector` does not seem to be handling AsIs > class the same way. > > is.vector(1L) > #[1] TRUE > is.vector(I(1L)) > #[1] FALSE > > Is there any reason behind this behaviour? > Could we have it supported so AsIs class is ignored when `is.vector` > is doing its job? > > Best Regards, > Jan Gorecki > > ______________________________________________ > R-devel@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-devel > [[alternative HTML version deleted]] ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel
