[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?
> 
> This would seem to work:
> 
> f(a=)
> 

cute.

:)
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