Okay... I wrote my own: https://github.com/projectplugh/plugh/blob/master/src/plugh/util/misc.clj#L51
One can register for on-done and on-fail. I'll work on adding fail-fast and also map (so one can transform the future and execute code when the transformed future has been realized/delivered/finished). Thanks for your help! On Thu, May 30, 2013 at 2:17 AM, Gary Trakhman <gary.trakh...@gmail.com>wrote: > by the second future, I mean an instance of > http://docs.oracle.com/javase/6/docs/api/java/util/concurrent/Future.html , > which just has to conform to the interface, and doesn't actually have to > execute on a different thread. Clojure's 'future' function returns an > instance of one of these that uses the unbounded agent thread-pool, but you > would be free to return one using reify or something. > > > https://github.com/clojure/clojure/blob/master/src/clj/clojure/core.clj#L6320 > > > On Thu, May 30, 2013 at 5:14 AM, Gary Trakhman <gary.trakh...@gmail.com>wrote: > >> Maybe an easy solution: wrap the first future in another future that >> blocking-derefs, then performs your extra computation? Do an extra >> 'realized?' check for the optimization you mention. That would still >> consume threads in the case that it's not realized, but I think it gets you >> what you want. >> >> >> On Thu, May 30, 2013 at 5:09 AM, Mark Engelberg <mark.engelb...@gmail.com >> > wrote: >> >>> According to this article, Clojure does not yet have this facility: >>> http://java.dzone.com/articles/promises-and-futures-clojure >>> >>> This is something that is being worked on and discussed, though: >>> http://dev.clojure.org/display/design/Promises >>> >>> https://groups.google.com/forum/#!topic/clojure-dev/7BKQi9nWwAw/discussion >>> http://dev.clojure.org/display/design/Async+blocks >>> >>> I've been hearing a lot about Tellman's lamina library as a rich Clojure >>> toolset for working with asynchronicity. I haven't had a need for it >>> myself, but you might want to check it out and see if it has relevance to >>> what you want to do. >>> >>> -- >>> -- >>> 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/groups/opt_out. >>> >>> >>> >> >> > -- > -- > 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/groups/opt_out. > > > -- Telegram, Simply Beautiful CMS https://telegr.am Lift, the simply functional web framework http://liftweb.net Follow me: http://twitter.com/dpp Blog: http://goodstuff.im -- -- 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/groups/opt_out.
