[R] Bug? using { as a function in lapply

[Liaw, Andy]

> From: Gabor Grothendieck
> 
> Thanks for pointing out that this is already fixed in the upcoming 
> version of R.

It's not.  I was using R-2.0.0beta from 2004-09-24, and it's still that way.

Andy

 
> Witold Eryk Wolski <wolski <at> molgen.mpg.de> writes:
> 
> : 
> : Hi,
> : 
> :  > "{" <- function(x,y)y
> :  > "{"(1,9)
> : [1] 9
> :  > lapply(1:2, "{", 9)
> : [[1]]
> : [1] 9
> : 
> : [[2]]
> : [1] 9
> : 
> :  > R.version.string
> : [1] "R version 2.0.0, 2004-09-20"
> : 
> : /E
> : 
> : Gabor Grothendieck wrote:
> : 
> : >This seems like a bug to me.  Can someone verify this?  
> : >
> : >First we define a function f that returns its second argument and 
> : >lapply it to 1:2 using 9 as the second argument and all seems well.
> : >
> : >Note that "{" as a function does the same thing as f, as 
> illustrated 
> : >with f(1,9) and "{"(1,9); however, when we attempt to use 
> "{" in the 
> : >very same way we used f in lapply, we get an error message 
> about ... 
> : >being used in an incorrect context, as shown.
> : >
> : >I am using R on windows with the version shown at the end.
> : >
> : >
> : >R> f <- function(x,y)y
> : >R> f(1,9)
> : >[1] 9
> : >R> lapply(1:2, f, 9)
> : >[[1]]
> : >[1] 9
> : >
> : >[[2]]
> : >[1] 9
> : > 
> : >R> "{"(1,9)
> : >[1] 9
> : >R> lapply(1:2, "{", 9)
> : >Error in lapply(1:2, "{", 9) : ... used in an incorrect context
> : >
> : >R> R.version.string
> : >[1] "R version 1.9.1, 2004-08-03"
> : >
> : >______________________________________________
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> guide.html
> : >
> : >  
> : >
> :
> 
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