Thanks. /Henrik
On Thu, Dec 12, 2013 at 5:27 PM, Duncan Murdoch
wrote:
> On 13-12-12 7:57 PM, Henrik Bengtsson wrote:
>>
>> First, why does this expression have a 'srcref' element:
>>
>>> exprA <- substitute(function(x) a*x, list(a=2))
>>> print(exprA)
>>
>> function(x) 2 * x
>>>
>>> str(as.list(
On 13-12-12 7:57 PM, Henrik Bengtsson wrote:
First, why does this expression have a 'srcref' element:
exprA <- substitute(function(x) a*x, list(a=2))
print(exprA)
function(x) 2 * x
str(as.list(exprA))
List of 4
$ : symbol function
$ :Dotted pair list of 1
..$ x: symbol
$ : language
First, why does this expression have a 'srcref' element:
> exprA <- substitute(function(x) a*x, list(a=2))
> print(exprA)
function(x) 2 * x
> str(as.list(exprA))
List of 4
$ : symbol function
$ :Dotted pair list of 1
..$ x: symbol
$ : language 2 * x
$ :Class 'srcref' atomic [1:8] 1 20 1 34
On 13-12-12 3:22 PM, Duncan Murdoch wrote:
On 12/12/2013 2:08 PM, Karl Millar wrote:
According to
http://cran.r-project.org/doc/manuals/r-release/R-lang.html#Reserved-words
if else repeat while function for in next break
TRUE FALSE NULL Inf NaN
NA NA_integer_ NA_real_ NA_complex_ N
Could you pass the environment and then look for the object called ... in it?
f <- function(...) {
.Call("my_fun", environment())
}
I think (and may well be wrong) that you can use standard tools to
find the DOTSXP object in that environment.
Hadley
On Thu, Dec 12, 2013 at 2:32 PM, Romain Fr
Le 13 déc. 2013 à 00:15, Simon Urbanek a écrit :
>
> On Dec 12, 2013, at 3:32 PM, Romain François wrote:
>
>> Hello,
>>
>> I’m looking for examples on how to manipulate the ... internally, e.g. in a
>> .Call or .External function.
>>
>> I’m particularly interested in accessing the enviro
On Dec 12, 2013, at 3:32 PM, Romain François wrote:
> Hello,
>
> I’m looking for examples on how to manipulate the ... internally, e.g. in a
> .Call or .External function.
>
> I’m particularly interested in accessing the environment in which each
> contribution to ... can be evaluated.
>
Hello,
I’m looking for examples on how to manipulate the ... internally, e.g. in a
.Call or .External function.
I’m particularly interested in accessing the environment in which each
contribution to ... can be evaluated.
So far, I’m using tricks involving passing down the sys.calls() and
s
On 12/12/2013 2:08 PM, Karl Millar wrote:
According to
http://cran.r-project.org/doc/manuals/r-release/R-lang.html#Reserved-words
if else repeat while function for in next break
TRUE FALSE NULL Inf NaN
NA NA_integer_ NA_real_ NA_complex_ NA_character_
... ..1 ..2 etc.
are all reser
According to
http://cran.r-project.org/doc/manuals/r-release/R-lang.html#Reserved-words
if else repeat while function for in next break
TRUE FALSE NULL Inf NaN
NA NA_integer_ NA_real_ NA_complex_ NA_character_
... ..1 ..2 etc.
are all reserved keywords.
However, in R 3.0.2 you can do t
10 matches
Mail list logo
