On Jul 18, 2014, at 1:45 AM, Matthew Flatt <mfl...@cs.utah.edu> wrote:
> At Thu, 17 Jul 2014 14:37:27 -0400, "Alexander D. Knauth" wrote: >> This seems like it should be a stupid question, but I can’t find anything in >> the docs. > > Do you mean that you want to poll an event (i.e., try to synchronize, > but give up immediately if it's not ready)? Use `sync/timeout` with a 0 > timeout for that. No, I meant without actually trying to sync. > Some events cannot be polled without committing to a communication. For > example, there's no way to check whether `sync` on a synchronous > channel would provide a value without accepting the value. Ok thanks ____________________ Racket Users list: http://lists.racket-lang.org/users