[datatable-help] Cryptic error with $<- and :=

[Matthew Dowle]

Hi,

Latest svn version of 1.7.8 should fix that one.

Matthew

On Thu, 2012-01-12 at 21:16 +0000, Timothée Carayol wrote:
> Hi all,
> 
> 
> One for Matthew I guess. Not really reproducible, as in, I don't know
> what causes it, but it occurs consistently in the particular instance
> I find myself in. 
> 
> 
> It produces an error message which may be clearer to Matthew than to
> me:
> 
> 
> A[, dupl:=1]
> Error in `[.data.table`(A, , `:=`(dupl, 1)) : 
>   Internal logical error: this is R >= 2.14.0, class is not marked but
> tl is 100 rather than 0
> 
> 
> likewise,
> 
> A$dupl <- 1
> Error in `[<-.data.table`(x, j = name, value = value) :
>   Internal logical error: this is R >= 2.14.0, class is not marked but
> tl is 19 rather than 0
> 
> 
> but,
> 
> 
> A[['dupl']] <- 1
> is fine.
> 
> 
> This is on data.table 1.7.7.
> Did anyone see this error message before?
> 
> 
> t
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