[Rd] library(methods): setMethod with "ANY" fails. (PR#1317)
Henrik Bengtsson
hb@maths.lth.se
Wed, 20 Feb 2002 09:06:34 +0100 (MET)
Great.
/Henrik
On Tue, 19 Feb 2002, John Chambers wrote:
> hb@maths.lth.se wrote:
> >
> > Full_Name: Henrik Bengtsson
> > Version: R v1.4.1
> > OS: WinMe
> > Submission from: (NULL) (217.208.14.137)
> >
> > Doing the following
> >
> > library(methods)
> > setGeneric("foo", function(x) standardGeneric("foo"))
> > setMethod("foo", "ANY", function(x) cat(x))
> >
> > fails with
> >
> > Error in while (value[n] == "ANY") n <- n - 1 :
> > missing value where logical needed
> >
> > It looks like the line
> >
> > while (value[n] == "ANY") n <- n - 1
> >
> > in the source for matchSignature() should be
> >
> > while (n > 0 && value[n] == "ANY") n <- n - 1
> >
> > FYI: I tried my suggested modification at it seems to work.
>
> Yes, thanks, that's correct.
>
> It had been fixed in r-patched and r-devel, but too late for 1.4.1.
>
>
> >
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> --
> John M. Chambers jmc@bell-labs.com
> Bell Labs, Lucent Technologies office: (908)582-2681
> 700 Mountain Avenue, Room 2C-282 fax: (908)582-3340
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