Re: [Rd] how to start local scope?

From: Roger D. Peng <rdpeng_at_gmail.com>
Date: Thu 27 Jul 2006 - 12:28:19 GMT

Try

f <- function() {

	local({
		b <- 1
	})
	b + 2

}

Tamas K Papp wrote:
> How can I start a local scope inside an R function? Eg in
>

>> b

> Error: object "b" not found
>> f <- function() {

> + {
> + b <- 1
> + }
> + b+2
> + }
>> f()

> [1] 3
>
> I would like f() to report an error, not finding b. I am thinking
> about something like let in Scheme/Lisp.
>
> Thanks,
>
> Tamas
>
> ______________________________________________
> R-devel@r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-devel
>
-- 
Roger D. Peng  |  http://www.biostat.jhsph.edu/~rpeng/

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Received on Thu Jul 27 22:29:27 2006

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