On Tue, 1 Nov 2005, Duncan Murdoch wrote:
> The version I posted yesterday did indeed mess up when some arguments were
> unspecified. Here's a revision that seems to work in all the tests I can
> think of. I also added the SIMPLIFY and USE.NAMES args from mapply to it,
> and a sanity check to the args.
>
> I did notice and work around one buglet in mapply: if you choose not to
> vectorize any arguments, you don't get a call to the original function,
> mapply returns "list()".
>
> For example,
>
>> mapply(function(x) x^2, MoreArgs = list(x=2))
> list()
>
> whereas I would think 4 is a more logical answer.
>
I don't agree at all. The answer should be the length of the longest
vectorised argument, and it is.
-thomas
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