BBmisc (version 1.5)

coalesce: Returns first non-missing, non-null argument.

Description

Returns first non-missing, non-null argument, otherwise NULL.

Usage

coalesce(...)

Arguments

...

[any] Arguments.

Value

• [any].

Examples

f = function(x,y) {
  print(coalesce(NULL, x, y))
}
f(y=3)