[Rd] Modifying a list: what gets copied?

[Kohske Takahashi]

> list_u <- function(x) z$a <- 1L

Note that the argument name is `x` while you are using `z` inside the function.
I'm not sure if this is the reason, though.

kohske

-- 
Kohske Takahashi <takahashi.kohske at gmail.com>

Assistant Professor,
Research Center for Advanced Science and Technology,
The University of  Tokyo, Japan.
http://www.fennel.rcast.u-tokyo.ac.jp/profilee_ktakahashi.html