cur_column inside across Error

[iagogv3]

I am doing

anscombe %>% mutate(across(c(y1:y4), ~ if_else(!!sym(sub("y", "x", cur_column())) > 10, ., !!sym(sub("y", "x", cur_column())))))
Error: `cur_column()` must only be used inside `across()`.
Backtrace:
  1. `%>%`(...)
 15. dplyr::cur_column()
 16. dplyr:::peek_column()
 17. dplyr:::context_peek("column", "cur_column()", "`across()`")
 18. context_peek_bare(name) %||% abort(glue("`{fun}` must only be used inside {location}."))

So, I am using cur_column inside across but i get

Error: `cur_column()` must only be used inside `across()`.

Is it expected? Could this be solved? There is another option to do the same?

Thank you!

[iagogv3]

Well, I got answer for my third question, replacing !!sym by get, it works.

[romainfrancois]

!! is being picked up by mutate() so too early. I think it's one of these cases where it makes sense to write the function outside of the across() call, and so it naturally would discourage the use of !!.

[iagogv3]

Yes, I think it has to something to do with r-lib/rlang#845 , which I had already found previously (r-lib/rlang#321 (comment))