On Tue, 20 Nov 2007, [EMAIL PROTECTED] wrote: > For the record: The reason I used attr(myfun, "source") = FALSE, is that I > misread the example 'Tidying R Code' in 'Writing R Extensions', which calls > for attr(myfun, "source") = NULL. > > Somehow setting 'source' to FALSE seems more natural to me than > setting it to NULL.
attr(myfun, "source") <- NULL does not 'set it to NULL', it removes the attribute. > [EMAIL PROTECTED]: > >> I am not sure why you would want to do that, but the C code does assume >> source attributes were put there by R, and changing tests from !isNull to >> isString in a few places will fix that. > > -- 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 ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel
