On Thu, Jul 26, 2012 at 7:29 PM, Duncan Murdoch <murdoch.dun...@gmail.com> wrote: > On 12-07-26 3:55 PM, Gabor Grothendieck wrote: >> >> This code which has worked for years in R but fails under R-devel: >> >>> R.version.string >> >> [1] "R Under development (unstable) (2012-07-25 r59963)" >>> >>> >>> n <- 3 >>> f <- function(x) {} >>> formals(f) <- rep(formals(f), n) ## >> >> Error in rep(formals(f), n) : replication of pairlists is defunct >> >> The message suggests that the change was intentional. >> Why was this functionality removed? >> What code should be used in its place? >> >> > > rep() on a pairlist didn't return a pairlist, it coerced to a list and then > rep'd that. So you could do the same explicitly if that's what you really > want: > > formals(f) <- rep(as.list(formals(f)), n) > > This works because the formals<- code is forgiving; other uses of pairlists > would not accept the result of rep on a pairlist. >
Thanks. I will use that instead. -- Statistics & Software Consulting GKX Group, GKX Associates Inc. tel: 1-877-GKX-GROUP email: ggrothendieck at gmail.com ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel