IIRC they are coming out in clojure 1.7. I don't see any indication of when it will be declared as stable, but there are alpha builds available if you need them.
-- Ashton On Thu, Sep 4, 2014 at 1:29 AM, cig <clifford.goldb...@gmail.com> wrote: > Thanks Alex. Feel silly not to have noticed the partition function. When > will transduces be available to use? > On Wednesday, 3 September 2014 22:48:20 UTC+2, Alex Miller wrote: >> >> I think that's just a partition transducer on the channel? >> >> >> On Wednesday, September 3, 2014 2:24:28 AM UTC-5, Gary Verhaegen wrote: >>> >>> I'd use another channel on which I put vectors of the correct length, >>> with an intermediate loop that takes from the first channel, accumulates >>> until the vector has the right size, and then put the vector on the second >>> channel. >>> >>> There might be a better solution with transducers, though. (Or without.) >>> >>> On Wednesday, 3 September 2014, cig <clifford...@gmail.com> wrote: >>> >>>> Thanks Timothy, that makes sense. >>>> >>>> A follow on question if you don't mind. >>>> >>>> I would like to 'take' n items off of a channel, but wait until n items >>>> are available rather than eagerly returning the way take does. Do you have >>>> any ideas on how >>>> I could achieve this? >>>> >>>> On Tuesday, 2 September 2014 22:23:10 UTC+2, tbc++ wrote: >>>>> >>>>> It's because into is pulling items as fast as it can from take. Sure >>>>> the buffer might get full but then into takes another value allowing take >>>>> to continue. >>>>> >>>>> Timothy >>>>> >>>>> >>>>> On Tue, Sep 2, 2014 at 1:48 PM, cig <clifford...@gmail.com> wrote: >>>>> >>>>>> Hi >>>>>> >>>>>> I was expecting the following example to park, waiting for the 'out' >>>>>> channel to be cleared. Could anybody explain why 'take' does not >>>>>> park when the output buffer size is smaller than the number of entries >>>>>> being taken from the input channel? >>>>>> >>>>>> (def from (to-chan [1 2 3 4 5 6 7])) >>>>>> (<!! (into [] (take 4 from *2*))) ;; note: the output channel >>>>>> buffer size is 2 (less than 4 items being taken off of the 'from' >>>>>> channel) >>>>>> >>>>>> ;; => [1 2 3 4] >>>>>> >>>>>> >>>>>> -- >>>>>> You received this message because you are subscribed to the Google >>>>>> Groups "Clojure" group. >>>>>> To post to this group, send email to clo...@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+u...@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+u...@googlegroups.com. >>>>>> For more options, visit https://groups.google.com/d/optout. >>>>>> >>>>> >>>>> >>>>> >>>>> -- >>>>> “One of the main causes of the fall of the Roman Empire was >>>>> that–lacking zero–they had no way to indicate successful termination of >>>>> their C programs.” >>>>> (Robert Firth) >>>>> >>>> -- >>>> 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. >>>> >>> > -- > 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. -- You received this message because you are subscribed to the Google Groups "Clojure" group. 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