On 14/01/2015 4:47 AM, Hadley Wickham wrote:
> I think this is bug in R CMD check code. I get a similar error:
>
> rule: possible error in paste0(...): ... used in a situation where it
> does not exist
>
> for the simple:
>
> rule <- function(..., pad = "-") {
> if (nargs() == 0) {
> title <- ""
> } else {
> title <- paste0(...)
> }
> width <- getOption("width") - nchar(title) - 1
> message(title, " ", paste(rep(pad, width, collapse = "")))
> }
>
> where ... clearly does exist.
>
> I skimmed the commits for the last couple of days - the most relevant
> would seem to be this one by Michael Lawrence:
> https://github.com/wch/r-source/commit/d3a42dabccb23462aa1e0a1edad00450f0a6131c
> (but I might've missed others - many of the commit messages are not
> terribly explanatory)
Yes, it's a temporary bug in R-devel, not a problem in Michal's code.
Duncan Murdoch
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