Re: [Rd] Calling default method for primitive functions

From: Simon Urbanek <simon.urbanek_at_r-project.org>
Date: Mon, 23 Nov 2009 17:30:57 -0500

On Nov 23, 2009, at 16:00 , Hadley Wickham wrote:

> Hi all,
>
> How can I call the default method of a S3 object defined by a
> primitive method? i.e. in the following example, how do I call the
> default [ method instead of the one I defined for the class.
>
> new_a <- function(x) structure(x, class = "a")
>
> a <- new_a(1:5)
>
> "[.a" <- function(x, i, j, ...) {
> new_a(x[, j, ])

What about
new_a(unclass(x)[, j,])

Cheers,
Simon

> }
>
> a[, 5]
>
> Thanks,
>
> Hadley
>
> --
> http://had.co.nz/
>
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>



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https://stat.ethz.ch/mailman/listinfo/r-devel Received on Mon 23 Nov 2009 - 22:34:14 GMT

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