Parent Function: Power of a number.

Source: R/helpers.R

This is an internal function to generate another ones which will be effectivelly exported. This function is not exported in NAMESPACE, therefore it is not available for the end-user.

power(exponent)

Arguments

exponent

The exponent.

Value

A parent function that allows the user to create a closure that returns the n-th power of its argument.

Examples


if (FALSE) {
power <- function(exponent) {
function(x) {
  x ^ exponent
}
}

square <- power(2)
square_root <- power(.5)

square(2) #4
square_root(4) #2
}