[Rd] built-in NAMED(obj) from within R

[Benjamin Tyner]

Thanks Matthew and Hadley; that is exactly what I was looking for, and them some.

Regards,
Ben

> >>/ The goal is to ascertain whether a copy of an object has been made.
> />/
> />/ Then :
> />/
> />/     ?tracemem
> />/
> />/ One demonstration of using both together is here :
> />/
> />/     http://stackoverflow.com/a/10312843/403310
> /
> Note that tracemem detects duplications (in a technical R sense), not
> copies - i.e.
>
> x <- 1:10
> tracemem(x)
> x[11] <- 11L
>
> although all the individual elements are copied, the vector is not
> duplicated.  This confused me at first, so I thought I'd point it out.
>
> Hadley
>
> -- 
> RStudio / Rice University
> http://had.co.nz/