[Rd] quote() vs quote(expr=)

[peter dalgaard]

On Feb 18, 2013, at 17:04 , Hadley Wickham wrote:

> quote(expr =) returning missing seems like the right thing to me,
> quote() throwing an error does not, because it violates the usual
> semantics where f(x = ) is equivalent to f().

Except that it isn't:

> (function(...)nargs())()
[1] 0
> (function(...)nargs())(x=)
[1] 1


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Peter Dalgaard, Professor
Center for Statistics, Copenhagen Business School
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