R devel - Jun 2008 - get ...

Suppose we do this:
> f <- function(...) environment()
> e <- f(a = 1, b = 2)
> ls(e, all = TRUE)
[1] "..."
> e$...
<...>
> class(e$...)
[1] "..."

Is there any way of getting a and b given e without
modifying f?

Gabor Grothendieck wrote:
> Suppose we do this:
>
>   
>> f <- function(...) environment()
>> e <- f(a = 1, b = 2)
>> ls(e, all = TRUE)
>>     
> [1] "..."
>   
>> e$...
>>     
> <...>
>   
>> class(e$...)
>>     
> [1] "..."
>
> Is there any way of getting a and b given e without
> modifying f?
>   
 > evalq(list(...),e)
$a
[1] 1

$b
[1] 2

-- 
   O__  ---- Peter Dalgaard             ?ster Farimagsgade 5, Entr.B
  c/ /'_ --- Dept. of Biostatistics     PO Box 2099, 1014 Cph. K
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