On Wed, May 4, 2011 at 3:26 PM, Hadley Wickham <had...@rice.edu> wrote: > Hi all, > > Does anyone have a comprehensive list of recursive-type objects in R? > is.recursive defines them as by exclusion: "most types of objects are > regarded as recursive, except for vector types, ‘NULL’ and symbols > (as given by ‘as.name’)." I think this that means recursive objects > are: > > * lists > * pairlists > * calls > * expressions
is.recursive(environment()) # [1] TRUE > > Did I miss anything? > > Hadley > > -- > Assistant Professor / Dobelman Family Junior Chair > Department of Statistics / Rice University > http://had.co.nz/ > > ______________________________________________ > R-devel@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-devel > ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel