On 10/28/2009 3:14 PM, Ross Boylan wrote:
Here's a self-contained example of the problem:
foo <- function(obj) {return(3);}
setGeneric("foo")
[1] "foo"
removeGeneric("foo")
[1] TRUE
foo <- function(x) {return(4);}
args(foo)
function (x)
NULL
setGeneric("foo")
[1] "foo"
args(foo)
function (obj)
NULL
R 2.7.1. I get the same behavior whether or not I use ESS.
The reason this is more than a theoretical problem:
setMethod("foo", signature(x="numeric"), function(x) {return(x+4);})
Error in match.call(fun, fcall) : unused argument(s) (x = "numeric")
We just released 2.10.0. It doesn't have this problem, nor does 2.9.2,
or 2.8.1. I think you'll just have to upgrade.
Duncan Murdoch
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