Optional parameter values

Functions

With a return value
Without a return value
Multiple return values
Without parameters
Array of parameters
Out parameters
In-out parameters
Modifying parameters
Optional parameter values
Recursion

say_goodbye <- function(text = "Goodbye!") {
cat(text, "\n")
}

say_goodbye()
# prints "Goodbye!"

say_goodbye("see you")
# prints "see you"

Languages

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