> On 6 Jun 2017, at 18:50 , Hong Ooi via R-devel wrote:
>
> This is something I came across just now:
>
> f <- function(x) missing(x)
> z <- quote(expr=)
>
> f(z)
> # TRUE
>
> The object z contains the equivalent of a missing function argument. Another
> method for generating a missing arg w
This is something I came across just now:
f <- function(x) missing(x)
z <- quote(expr=)
f(z)
# TRUE
The object z contains the equivalent of a missing function argument. Another
method for generating a missing arg would be alist(a=)$a .
Should f(z) return TRUE in this case? I interpret missing(
