R devel - Aug 2022 - ...()

I was looking for the documentation for ...() but it is not in ?dots
(where ...length(), ...names(), etc. are documented) and google seems
challenged with this one.  Is this documented anywhere?

e.g.

  f <- function(...) substitute(...())
  f(a, b)
  ## [[1]]
  ## a
  ##
  ## [[2]]
  ##  b


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Hello,

I don't believe it is documented but the best I could find was this not 
very old r-devel thread [1].

[1] https://stat.ethz.ch/pipermail/r-devel/2020-March/079131.html

Hope this helps,

Rui Barradas

?s 18:04 de 27/08/2022, Gabor Grothendieck escreveu:
> I was looking for the documentation for ...() but it is not in ?dots
> (where ...length(), ...names(), etc. are documented) and google seems
> challenged with this one.  Is this documented anywhere?
> 
> e.g.
> 
>    f <- function(...) substitute(...())
>    f(a, b)
>    ## [[1]]
>    ## a
>    ##
>    ## [[2]]
>    ##  b
> 
>