Github user yu-iskw commented on a diff in the pull request:
https://github.com/apache/spark/pull/8194#discussion_r37153231
--- Diff: R/pkg/R/functions.R ---
@@ -67,6 +67,14 @@ createFunctions <- function() {
createFunctions()
+#' @rdname functions
+#' @return Creates a Column class of literal value.
+#' @export
+lit <- function(x) {
--- End diff --
I didn't know we can use `ANY` as a signature.
"There are two special classes that can be used in the signature: missing
and ANY. missing matches the case where the argument is not supplied, and ANY
is used for setting up default methods."
http://adv-r.had.co.nz/S4.html
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