On Mon, Aug 19, 2013 at 4:34 PM, Matthew Flatt <mfl...@cs.utah.edu> wrote: > > Is there a situation where allowing an arbitrary file- or > directory-existence test would be bad?
This all depends on how paranoid we want to be. There are certainly situations when this will be bad -- it lets you determine who else has an account on a computer, for example. But there are contexts where having GC be observable is a security hole as well, so we have to pick a spot on the continuum. Sam _________________________ Racket Developers list: http://lists.racket-lang.org/dev