ianmcook commented on a change in pull request #10559:
URL: https://github.com/apache/arrow/pull/10559#discussion_r655431275
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File path: r/R/dplyr-arrange.R
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@@ -77,6 +77,10 @@ find_and_remove_desc <- function(quosure) {
# remove enclosing parentheses
expr <- expr[[2]]
} else if (identical(expr[[1]], quote(desc))) {
+ # ensure desc() has only one argument
Review comment:
```suggestion
# ensure desc() has only one argument (when an R expression is a
function
# call, length == 2 means it has exactly one argument)
```
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