Andrew Clausen <[EMAIL PROTECTED]> writes: > Hi Seth, > > On Mon, May 21, 2007 at 05:15:10PM -0700, Seth Falcon wrote: >> I will also add that the notion of a default argument on a generic >> function seems a bit odd to me. If an argument is available for >> dispatch, I just don't see what sense it makes to have a default. In >> those cases, the default should be handled by the method that has a >> signature with said argument matching the "missing" class. >> >> What often does make sense is to define a generic function where some >> argument are not available for dispatch. For example: >> >> setGeneric("foo", signature="flesh", >> function(flesh, skeleton=attr(flesh, "skeleton") >> standardGeneric("foo"))) > > That's an excellent suggestion. Thanks! However, I had to set the signature > to c("numeric", "missing") rather than just "numeric". > > I have uploaded a new version here: > > http://www.econ.upenn.edu/~clausen/computing/relist.R
I misunderstood. You aren't using S4 classes/methods at all and so I don't actually see how my comments could have been helpful in any way. relist seems like a really odd solution to me, but based on the discussion I guess it has its use cases. Best, + seth -- Seth Falcon | Computational Biology | Fred Hutchinson Cancer Research Center http://bioconductor.org ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel