thisisnic commented on code in PR #13786:
URL: https://github.com/apache/arrow/pull/13786#discussion_r946734930
##########
r/R/dplyr-mutate.R:
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@@ -151,3 +153,95 @@ ensure_named_exprs <- function(exprs) {
names(exprs)[unnamed] <- map_chr(exprs[unnamed], format_expr)
exprs
}
+
+# Take the input quos and unfold any instances of across()
+# into individual quosures
+unfold_across <- function(.data, quos_in) {
Review Comment:
> How does this compare/contrast to how dplyr does this?
For clarity, why do you ask?
Or is this less of a question, and actually you're just tactfully saying
"hey Nic, might be worth looking through `dplyr::across()` as you could just do
it how it's done there instead of coming up with it all over again with bits
missing"? (If so, thanks for pointing this out, as I keep forgetting this!)
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