Gregory (Greg) L. Snow Ph.D.
Statistical Data Center
Intermountain Healthcare
greg.snow at imail.org
801.408.8111
> -----Original Message-----
> From: r-help-bounces at r-project.org [mailto:r-help-bounces at r-
> project.org] On Behalf Of Peng Yu
> Sent: Tuesday, August 18, 2009 3:55 PM
> To: r-help at stat.math.ethz.ch
> Subject: [R] Is there a construct for conditional comment?
>
> Hi,
>
> In C++, I can use the following construct to choice either of the two
> blocks the comment but not both. Depending on whether the number after
> "#if" is zero or not, the commented block can be chose. I'm wondering
> if such thing is possible in R?
>
> #if 0
> commented with 0
> #else
> commented with 1
> #endif
>
> Regards,
> Peng
>
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