static

Static local variables are initialized once, and then their values are saved for future use.

Installation

You can install the development version of static like so:

remotes::install_github("nfultz/static")

Ye Olde Fibonacci Example

library(static)
fib <- function() {
  
  static(x=1)
  static(y=0)
  static(z=NA)
  z <- x + y 
  x <- y
  y <- z
  
  z
}