On Apr 21, 2012, at 1:03 PM, Gabor Grothendieck wrote:
> args ought to check that its argument is a function:
>
>> max <- 3
>> args(max)
> NULL
>
> e.g.
>
>> args <- function(name) {
> + name <- match.fun(name)
> + base::args(name)
> + }
>> args(max)
> function (..., na.rm = FALSE)
> NULL
>
You may want to read the docs in the first place:
Value:
[...]
'NULL' in case of a non-function.
Cheers,
S
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