My best guess is that it could be related to this commit: https://github.com/wch/r-source/commit/14f904c32a44010d4dfb8a829805648a88c22f53, since that's the only change that's touched `rapply` lately.
On Wed, Jul 15, 2015 at 12:35 PM, Dayne Filer <dayne.fi...@gmail.com> wrote: > In 3.1.2 eval does not store the result of the bquote-generated call in the > given environment. Interestingly, in 3.2.1 eval does store the result of > the bquote-generated call in the given environment. > > In other words if I run the given example with eval rather than evalq, on > 3.1.2 "x" is never stored in "fenv," but it is when I run the same code on > 3.2.1. However, the given example stores "x" in "fenv" on 3.1.2, but throws > the error I gave when run on 3.2.1. > > To give credit, I received the idea for using evalq from SO: > http://stackoverflow.com/a/22559385 > > Dayne > > > On Wed, Jul 15, 2015 at 3:29 PM, William Dunlap <wdun...@tibco.com> wrote: > >> I am curious why you used evalq instead of eval in this code. >> >> Bill Dunlap >> TIBCO Software >> wdunlap tibco.com >> >> On Wed, Jul 15, 2015 at 11:49 AM, Dayne Filer <dayne.fi...@gmail.com> >> wrote: >> >>> Hello, >>> >>> I upgraded from 3.1.2 to 3.2.1 and am receiving errors on code that worked >>> as I intended previously. Briefly, I am using bquote to generate >>> expressions to modify data.table objects within a function, so I need the >>> changes to actually be stored in the given environment. Previously, I used >>> code like the following: >>> >>> test <- list(bquote(x <- 10)) >>> fenv <- environment() >>> rapply(test, evalq, envir = fenv) >>> >>> Although the code in the example above is much simpler, it shows the >>> problem. On 3.1.2 the expression is evaluated and x is stored as 10 in the >>> given environment, fenv. In 3.2.1 the code throws an error: >>> >>> Error in eval(substitute(expr), envir, enclos) : object 'X' not found >>> >>> I could not find anything in the release notes that would explain this >>> change. Changing evalq to eval works in 3.2.1, but eval does not store x >>> in >>> the given environment in 3.1.2. >>> >>> Thanks, >>> >>> Dayne >>> >>> [[alternative HTML version deleted]] >>> >>> ______________________________________________ >>> R-devel@r-project.org mailing list >>> https://stat.ethz.ch/mailman/listinfo/r-devel >>> >> >> > > [[alternative HTML version deleted]] > > ______________________________________________ > 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
