[R] Is there a construct for conditional comment?

[Duncan Murdoch]

On 18/08/2009 5:54 PM, Peng Yu wrote:
> 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?

No.  The usual advice is to get a real editor that can comment a block 
of lines all at once.

Duncan Murdoch

> 
> #if 0
> commented with 0
> #else
> commented with 1
> #endif
> 
> Regards,
> Peng
> 
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