"Note: possible error in 'or(...)'" during R CMD INSTALL
salim-b opened this issue · 1 comments
salim-b commented
I use a simple
rex::rex(start, or("1st_string",
"2nd_string",
"3rd_string",
"4th_string"))
in an R package and followed the advice to call rex::register_shortcuts(pkg_name = "my_pkg")
to avoid NOTEs by R CMD Check
.
But when building the package, R CMD INSTALL
prints a note like:
** byte-compile and prepare package for lazy loading
Note: possible error in 'or("1st_string", ': unused arguments ("3rd_string", "4th_string") at (...)
What's happening here?
When I wrap the strings in an additional c()
, the note goes away. But rex:::or()
takes a dots argument
> rex:::or
function (...)
{
group(regex(paste0(collapse = "|", unlist(escape_dots(...)))))
}
<bytecode: 0x56006a276840>
<environment: namespace:rex>
so why the complaint about unused arguments? (they're actually properly used, it's just R CMD INSTALL
that complains...)
jimhester commented
Looks to me like a false positive from R CMD check
, unfortunately there is not much we can do about it other than using your suggested workaround.