[R] nargs() inside "[.myclass"

[Vadim Kutsyy]

> Apropos: Here's a little exercise:
> 
> > f<-function(...)nargs()
> > f(1)
> [1] 1
> > f()
> [1] 0
> > f(,)
> [1] 2
> > f(,,)
> [1] 3
> 
> Now, how do you call f with exactly *one* missing argument?

Well, you got me.  How do you call it?
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