Added! At Tue, 8 Jul 2014 05:36:55 +0100, Matthew Flatt wrote: > Hi Jan, > > That's a nice idea. Something similar --- but in a restricted form --- > is used internally to implement various primitive events. I think I see > how to generalize it to work with more arbitrary events and non-atomic > replace functions. > > There could easily be a catch that I'm overlooking, but I'll give it a > try. > > Matthew > > At Mon, 07 Jul 2014 22:41:55 +0200, Jan Dvořák wrote: > > Hi, > > > > I would like to humbly request a new `replace-evt` procedure that would > > work as `wrap-evt` except that when it produces another `evt?`, `sync` > > replaces the old event with the newly produced one and restarts. > > > > It will be a good replacement for threads and channels when filtering > > events or addition of bookkeeping handlers is desired. > > > > I peeked at the syncing code and it seems doable, but the code is too > > dense for me to grok it. :-( > > > > What do you think? > > > > Best regards, > > Jan Dvorak > > > > > > _________________________ > > Racket Developers list: > > http://lists.racket-lang.org/dev > > _________________________ > Racket Developers list: > http://lists.racket-lang.org/dev
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