[R] Strange behaviour of R?

[Rainer Krug]

Hi

> On 17 Jan 2020, at 08:33, Sigbert Klinke <sigbert using wiwi.hu-berlin.de> wrote:
> 
> Hi,
> 
> I wrote a function like
> 
> test <- function(FUN, args) {
>  print(FUN)
>  FUN(args)
> }
> 
> When I call it lieke this
> 
> test(mean, 1:10)
> test(NULL, 1:10)
> 
> then the second call still uses mean, although I set FUN to NULL. Is that ok?

Not for me - macOS, R 3.6.2


> 
> Actually, I used something like
> 
> test(mean, list(x=1:10, na.rm=TRUE))

Fails as expected,

Rainer

> 
> which actually crashed R, but I can not reproduce it. Of course, when I replaced FUN(args) with do.call(FUN, args) then everything works fine.
> 
> Sigbert
> 
> -- 
> https://hu.berlin/sk
> https://hu.berlin/mmstat3
> 
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--
Rainer M. Krug, PhD (Conservation Ecology, SUN), MSc (Conservation Biology, UCT), Dipl. Phys. (Germany)

Orcid ID: 0000-0002-7490-0066

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