I suggest you don't try: there are already quite a few 1.9.0-specific versions of packages on CRAN, and 1.8.x will be history in a couple of months.
On Thu, 26 Feb 2004, Heywood, Giles wrote: > I maintain the Irregular Time Series (its) package on CRAN. I am currently > testing a release. Under 1.8.1 I am able to define a S4 generic 'start' as > follows: > > if(!isGeneric("start")) {setGeneric("start", useAsDefault=start)} Why do you need to do that? You could just define an S4 method which will automatically make a generic if needed. > Under 1.9.0, Rcmd check generates an error, as 'start' is not recognised. > If I use the NAMESPACE directive IMPORT, all is well: > > import(stats) > > (I recall some past postings about refactoring 'base', and I assume that > 'stats' is a part of this) See the NEWS file .... > However, the additional directive leads to problems under 1.8.1, as one > might expect, since 'stats' does not exist under 1.8.1. How to define my S4 > generic and make it transparent so that the base function start() is > unaffected, in such a way that it will function under 1.8.1 and 1.9.0? -- Brian D. Ripley, [EMAIL PROTECTED] Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/ University of Oxford, Tel: +44 1865 272861 (self) 1 South Parks Road, +44 1865 272866 (PA) Oxford OX1 3TG, UK Fax: +44 1865 272595 ______________________________________________ [EMAIL PROTECTED] mailing list https://www.stat.math.ethz.ch/mailman/listinfo/r-devel