We have long been discouraging the use of pairlists. So no, we will
not do anything to facilitate this conversion; if anything the
opposite. SET_TYPEOF is used more than it should be in the sources.
It is something I would like us to fix sometime, but isn't high
priority.
Best,
luke
On Fri, 5 J
On Fri, 5 Jul 2024 15:27:50 +0800
Kevin Ushey wrote:
> A common idiom in the R sources is to convert objects between LANGSXP
> and LISTSXP by using SET_TYPEOF. However, this is soon going to be
> disallowed in packages.
Would you mind providing an example where a package needs to take an
existin
