| Recall {base} | R Documentation |
Recursive Calling
Description
Recall is used as a placeholder for the name of the function
in which it is called. It allows the definition of recursive
functions which still work after being renamed, see example below.
Usage
Recall(...)
Arguments
... |
all the arguments to be passed. |
See Also
do.call and call.
Examples
## A trivial (but inefficient!) example:
fib <- function(n) if(n<=2) {if(n>=0) 1 else 0} else Recall(n-1) + Recall(n-2)
fibonacci <- fib; rm(fib)
## renaming wouldn't work without Recall
fibonacci(10) # 55