Yes, attributes are not preserved, though why that should matter given the frequent strong recommendations in this list against using attributes on environments or other reference objects is beyond me. More importantly, locking and active bindings are not preserved either. Will look into fixing this this 2.7.
luke On Fri, 12 Oct 2007, Gabor Grothendieck wrote: > Consider a package that this DESCRIPTION file: > > --- > Package: tester > Version: 0.1-0 > Date: 2007-10-12 > Title: Prototype object-based programming > Author: Gabor Grothendieck > Maintainer: Gabor Grothendieck <[EMAIL PROTECTED]> > Description: test > LazyLoad: true > Depends: R (>= 2.6.0) > License: GPL2 > --- > > and a single subdirectory R containing tester.R which contains two lines: > > --- > e <- new.env() > class(e) <- c("x", "environment") > --- > > Now issue these commands: > >> library(tester) >> class(tester::e) > [1] "environment" > >> R.version.string # Windows Vista > [1] "R version 2.6.0 Patched (2007-10-08 r43124)" > > > Note that the class of e was changed from what we set it to !!! > > On the other handn, if we omit LazyLoad: true from the DESCRIPTION file > then it retains its original class. > >> # removed LazyLoad: true line from DESCRIPTION and reinstall pkg >> # now its ok >> library(tester) >> class(tester::e) > [1] "x" "environment" > > ______________________________________________ > R-devel@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-devel > -- Luke Tierney Chair, Statistics and Actuarial Science Ralph E. Wareham Professor of Mathematical Sciences University of Iowa Phone: 319-335-3386 Department of Statistics and Fax: 319-335-3017 Actuarial Science 241 Schaeffer Hall email: [EMAIL PROTECTED] Iowa City, IA 52242 WWW: http://www.stat.uiowa.edu ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel