Github user felixcheung commented on a diff in the pull request:
https://github.com/apache/spark/pull/18003#discussion_r116853922
--- Diff: R/pkg/R/functions.R ---
@@ -54,7 +54,8 @@ setMethod("lit", signature("ANY"),
#' @name abs
#' @family normal_funcs
#' @export
-#' @examples \dontrun{abs(df$c)}
+#' @examples
+#' \dontrun{abs(df$c)}
--- End diff --
I'm actually not sure about this change - if the example is simple and is
single line, I think they can go on the same line as `@example` tag.
More importantly though, I don't think majority of SQL function examples
like this is usable or useful actually, and would rather have multi-line "real"
example
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