Stub Function Arguments

stub() assigns all arguments of a given function as symbols to the specified environment (usually the current environment)

Usage

stub(func, ..., envir = parent.frame())

Arguments

func

function for which the arguments should be stubbed

...

non-default arguments of func

envir

environment to which symbols should be assigned

Value

list of symbols that are assigned to envir

Details

Stub is thought to be used for interactive testing and unit testing. It does not work for primitive functions.

Examples

f <- function(x, y = 2, z = 3) x + y + z
args <- stub(f, x = 1) # assigns x = 1, y = 2 and z = 3 to current env