[R] How to get function arguments as list?

[Prof Brian Ripley]

On 09/02/2014 12:14, Robert Latest wrote:
> Hello all,
>
> To set options in a package I'm putting together I'd like to write a
> function like options, that is:
>
> my.options <- function(...) {
> # ...
> }
>
> Now I'd like to access the named arguments that were passed to my
> funtion within that function. How does that work? formals() doesn't do
> it, neither does args() or alist().
>
> How is that done?

There are lots of examples in the R sources.  One common way is

dots <- list(...)

and match.call() is also used.


-- 
Brian D. Ripley,                  ripley at stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
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