This function verifies whether all of the arguments of another function already have assigned values. If an argument has a default value but there isn't a corresponding variable, it creates that variable.

test_fun(f, force_default = FALSE)

Arguments

f

A function

force_default

Whether or not to assign the default value to arguments that already have assigned values

Examples

if (FALSE) {
f <- function(a, b = 3) {
  a * b
}

test_fun(f)
a
b

b <- 5
test_fun(f)
a
b

test_fun(f, TRUE)
a
b

a <- 2
test_fun(f)
a
b
}