Recall
Recursive Call of the Current Function
Description
Makes a recursive call to the current function, so that the definition
of a recursive function is independent of its name.
Usage
Recall(...)
Arguments
| ... |
the arguments that should be passed in to the recursive call.
|
Details
The Recall function reuses the definition of the function that
called it and then recursively calls that function while applying the
supplied arguments.
The recursion is not dependent on the name of the function.
You can use the Recall function to define a recursive function inside another function.
Value
Whatever the current function returns.
See Also
Examples
# recursive factorial function
fact <- function(x) if(x <= 1) x else x * Recall(x-1)
fact(x)