On Wed, 15 Jan 2020 at 15:14, IAGO GINÉ VÁZQUEZ <i.g...@pssjd.org> wrote:
>
> Hi all,
>
> Is the next behaviour suitable?
>
> identical(F,FALSE)
>
> ## [1] TRUE
>
> utils::getParseData(parse(text = "c(F,FALSE)", keep.so=rce = TRUE))
>
> ## line1 col1 line2 col2 id parent token terminal text
> ## 14 1 1 1 10 14 0 expr FALSE
> ## 1 1 1 1 1 1 3 SYMBOL_FUNCTION_CALL TRUE c
> ## 3 1 1 1 1 3 14 expr FALSE
> ## 2 1 2 1 2 2 14 '(' TRUE (
> ## 4 1 3 1 3 4 6 SYMBOL TRUE F
> ## 6 1 3 1 3 6 14 expr FALSE
> ## 5 1 4 1 4 5 14 ',' TRUE ,
> ## 9 1 5 1 9 9 10 NUM_CONST TRUE FALSE
> ## 10 1 5 1 9 10 14 expr FALSE
> ## 11 1 10 1 10 11 14 ')' TRUE )
>
> I would expect that token for F is the same as token for FALSE.
>From the manual:
‘TRUE’ and ‘FALSE’ are reserved words denoting logical constants
in the R language, whereas ‘T’ and ‘F’ are global variables whose
initial values set to these.
Iñaki
______________________________________________
R-devel@r-project.org mailing list
https://stat.ethz.ch/mailman/listinfo/r-devel
