[Rd] Bug in new behaviour for all.equal and environments?
Duncan Murdoch
murdoch.duncan at gmail.com
Sun Sep 21 21:57:00 CEST 2014
On 21/09/2014, 1:38 PM, Rui Barradas wrote:
> Hello,
>
> In R 3.1.1 on Windows 7 it's ok.
>
> > all.equal(baseenv(), baseenv())
> [1] TRUE
> > sessionInfo()
> R version 3.1.1 (2014-07-10)
> Platform: x86_64-w64-mingw32/x64 (64-bit)
I'm not sure if that's really "ok", since it returns TRUE for any pair
of environments, e.g.
all.equal(baseenv(), emptyenv())
The current R-devel behaviour is temporary and certain to change.
Duncan Murdoch
>
> locale:
> [1] LC_COLLATE=Portuguese_Portugal.1252
> LC_CTYPE=Portuguese_Portugal.1252
> [3] LC_MONETARY=Portuguese_Portugal.1252 LC_NUMERIC=C
>
> [5] LC_TIME=Portuguese_Portugal.1252
>
> attached base packages:
> [1] stats graphics grDevices utils datasets methods base
>
> Rui Barradas
>
> Em 21-09-2014 18:06, Kevin Ushey escreveu:
>> Hi R-devel,
>>
>> The following code:
>>
>> all.equal(baseenv(), baseenv())
>>
>> gives the error when run in a clean R session with latest R-devel (r66650):
>>
>> kevin:~$ R --vanilla --slave -e "all.equal(baseenv(), baseenv())"
>> Error in all.equal.envRefClass(target[[i]], current[[i]],
>> check.attributes = check.attributes, :
>> attempt to apply non-function
>> Calls: all.equal ... all.equal.list -> all.equal -> all.equal.envRefClass
>> Execution halted
>>
>> Although I don't know if it's helpful -- it appears that packages that
>> include some S4 machinery will effect the outcome of this error, e.g.
>> if we load 'Biobase' first:
>>
>> kevin:~$ R --vanilla --slave -e
>> "suppressPackageStartupMessages(library(Biobase));
>> all.equal(baseenv(), baseenv())"
>> Error in target$getClass() : object '.refClassDef' not found
>> Calls: all.equal ... all.equal.list -> all.equal ->
>> all.equal.envRefClass -> <Anonymous>
>> Execution halted
>>
>> We were bumping into an error with this in Rcpp -- we used all.equal
>> (through RUnit) to confirm that baseenv(), and a function returning
>> the base environment, would return TRUE.
>>
>> For completeness:
>>
>> kevin:~$ R --vanilla --slave -e "sessionInfo()"
>> R Under development (unstable) (2014-09-20 r66650)
>> Platform: x86_64-apple-darwin13.3.0 (64-bit)
>>
>> locale:
>> [1] en_CA.UTF-8/en_CA.UTF-8/en_CA.UTF-8/C/en_CA.UTF-8/en_CA.UTF-8
>>
>> attached base packages:
>> [1] stats graphics grDevices utils datasets methods base
>>
>> Thanks,
>> Kevin
>>
>> ______________________________________________
>> R-devel at r-project.org mailing list
>> https://stat.ethz.ch/mailman/listinfo/r-devel
>>
>
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>
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