[Rd] BUG?: A copy of base::`+` (primitive) is not a clone but a "pointer"
m@ech|er @end|ng |rom @t@t@m@th@ethz@ch
Tue Nov 26 09:00:27 CET 2019
>>>>> Benjamin Tyner
>>>>> on Mon, 25 Nov 2019 22:34:33 -0500 writes:
> For what it's worth, the current behavior seems to have begun starting
> with version 3.6.0. If I run in version 3.5.3:
>> p1 <- .Primitive('+') ; p2 <- p1 ; attr(p1, "myattr") <- 1 ; p2
> function (e1, e2) .Primitive("+")
No. What changed was just the *printing* !
(still in R 3.5.x) :
> p1 <- .Primitive('+') ; p2 <- p1 ; attr(p1, "myattr") <- pi ; attributes(p2)
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