>>>>> "Wolfi" == Wolfgang Huber <hu...@ebi.ac.uk> >>>>> on Sat, 28 Feb 2009 18:01:19 +0000 writes:
Wolfi> Dear Martin name masking is a separate issue, which I Wolfi> do not want to explore here. Wolfi> If one accepts the notion that unrelated generics of Wolfi> the same name may exist in different namespaces (user Wolfi> confusion aside, I don't see a technical reason why Wolfi> one shouldn't), then I find the behaviour of R in the Wolfi> below case puzzling: the value of Wolfi> "showMethods(something)" called from the global Wolfi> environment depends on whether or not the expression Wolfi> "package::something" has previously been Wolfi> evaluated. The value of isGeneric(something) is Wolfi> different when called from top-level and when called Wolfi> within showMethods. Wolfi> Best wishes Wolfgang Wolfi> PS1: I do apologize if this behaviour is intentional, Wolfi> and documented somewhere. I would then be puzzled Wolfi> even more though. Wolfi> PS2: My code example used ":::", and there are some Wolfi> vague warnings in its man page that ":::" is Wolfi> "dangerous". The problem also occurs with "::". Thank you, Wolfgang (and Martin Morgan), for the clarification, here and off-line. Just for a public summary: You have convinced me that this is indeed pointing to a bug in the current R implementation, and IIUC, at least one expert (JMC) is looking at a fix. Regards, Martin ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel