Hi, May I ask what prompted you to write this? A coding exercise or some real-world need? I'm asking because I've been keeping an eye on FRP for a while. From what I understand it's conceptually not ready for anything other than toy problems yet. Like Elm's restriction on static flow graphs. It's like programming without 1st class functions, you don't get very far.
eric On Monday, October 20, 2014 11:56:45 AM UTC+11, James MacAulay wrote: > > I've just published an FRP library based on Elm[1]: > > https://github.com/jamesmacaulay/zelkova > > Here's what the app code looks like: > > > https://github.com/jamesmacaulay/zelkova/blob/4b06c49678e11e3af7b1eda7a18929a512f7753d/examples/mario/src/mario/core.cljs#L118-L133 > > Right now Zelkova includes ports of Elm's Signal, Mouse, Keyboard, and > Window libraries, plus part of its Time library[2]. Zelkova's signal > namespace works in both Clojure and ClojureScript, but the rest only have > implementations for ClojureScript in the browser. > > Elm-style FRP is a bit different from other flavours like those of Rx or > Bacon.js. In particular, Elm's signal graphs are static (can't be > reconfigured once they start running) and don't allow for > signals-of-signals. > > Zelkova is the same way, but its signal functions actually return > "recipes" for signals which don't start processing values until a "live" > graph gets spawned from one of them. This allows multiple live graphs to > run concurrently while sharing logical structure, and should make some > things easier in the future (like porting Elm's time-travelling debugger). > Theoretically this should also make it possible to compile some kinds of > signal graphs into transducers instead of running them as networks of > core.async channels. > > If you're interested in the differences and tradeoffs between the > different forms of FRP out there, Evan Czaplicki gave an excellent talk on > the subject at Strange Loop this year: > > https://www.youtube.com/watch?v=Agu6jipKfYw > > Cheers, > James > > [1] http://elm-lang.org > [2] > https://github.com/jamesmacaulay/zelkova/tree/master/src/cljx/jamesmacaulay/zelkova > > -- You received this message because you are subscribed to the Google Groups "Clojure" group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups "Clojure" group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
