something like this maybe?
account <- function (balance=0) {
function (d = 0,w = 0) {
newbal <- balance + d - w
balance <<- newbal
newbal
}
}
John <- account(100)
John
John(d=100,w=50)
John()
Leo <- account(1000)
Leo
Leo(d=1000,w=50)
Leo()
Leo(d=100,w=500)
Leo()
Leo.
On Mon, Jul 25, 2011 at 6:00 PM, Michael Hannon <jm_han...@yahoo.com> wrote:
> Greetings. I once ran across a simple (toy) example of using a closure in
> R to
> manage bank accounts. I've got a use for it now but can no longer find it.
> If
> you have it (or a similar example), will you please send it to me?
> (Unfortunately, a web search that includes the terms "bank" and "closure"
> leads
> into a whole pile of unrelated stuff.)
>
> Thanks,
>
> -- Mike
>
> ______________________________________________
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