I got it, thanks! kohske
2013/5/2 John Chambers <j...@r-project.org>: > No intended change. The trace method was not updated when reference class > generators became functions. Should be fixed now in r-devel and 3.0.0 > patched (rev 62699). > > Thanks for the catch. > > John > > > On 4/29/13 11:30 PM, Kohske Takahashi wrote: >> >> Hi >> >> The final line of the example in ?setRefClass induces an error: >> >>> ## debugging all objects from class mEdit in method $undo() >>> mEdit$trace(undo, browser) >> >> Error in envRefInferField(x, what, getClass(class(x)), selfEnv) : >> 'undo' is not a valid field or method name for reference class >> "refGeneratorSlot" >> >> $trace tries to embed the trace in the generator object (instead of >> the generated object). >> Has this functionality been removed? >> >> best, >> >> kohske >> >> -- >> Kohske Takahashi <takahashi.koh...@gmail.com> >> >> Assistant Professor, >> Research Center for Advanced Science and Technology, >> The University of Tokyo, Japan. >> http://www.fennel.rcast.u-tokyo.ac.jp/profilee_ktakahashi.html >> >> ______________________________________________ >> R-devel@r-project.org mailing list >> https://stat.ethz.ch/mailman/listinfo/r-devel >> > -- Kohske Takahashi <takahashi.koh...@gmail.com> Assistant Professor, Research Center for Advanced Science and Technology, The University of Tokyo, Japan. http://www.fennel.rcast.u-tokyo.ac.jp/profilee_ktakahashi.html ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel
