Well you can always read it at https://github.com/matthiasn/talk-transcripts/blob/master/Hickey_Rich/Transducers.md :)
On Thu, Oct 30, 2014 at 5:31 PM, Mars0i <marsh...@logical.net> wrote: > Thanks Las. That's a verty helpful suggestion, though for me personally > it won't help. (I know that a lot of people like to get information from > videos. I don't. I'd rather read--then I can use my eyes to find the > places that I want to focus on--except when information is better conveyed > through motion. That means that I miss out on some information, > sometimes. Each person has to choose how to use her/his time.) > > On Thursday, October 30, 2014 10:54:18 AM UTC-5, Las wrote: >> >> Hi, >> >> on transducers generally, watch this https://www.youtube.com/ >> watch?v=6mTbuzafcII . >> >> This part tackles your questions on ordering https://www.youtube. >> com/watch?v=6mTbuzafcII#t=1531 . >> >> >> >> 2014-10-30 15:44 GMT+00:00 Mars0i <mars...@logical.net>: >> >>> Caveat: I am still feeling around in the dark in my understanding of >>> transducers. What I write below may just convey how clueless I am. >>> >>> (Meta-caveat: I'm probably spitting into the wind. I should no doubt >>> use my time more wisely.) >>> >>> >>> Normal function composition is done starting from the right. This is >>> familiar from mathematics, other Lisps, most languages, and it's how >>> Clojure's function application and 'comp' work. >>> >>> Sometimes it's easier to understand composition going from left to >>> right, as in many natural languages and as in unix pipes, and Clojure >>> provides '->' and '->>' to do that. That's good. Best of both worlds. >>> One thing I like about these operators is that their name clearly indicates >>> the direction of function application. >>> >>> Transducers allow function composition with potential efficiency gains, >>> but apply functions starting from left to right. But *it does this >>> using the name 'comp'*, which otherwise applies functions from right to >>> left. What?? Doesn't that seem like a Bad Thing? Why not use a different >>> name? (It's like overloading the minus sign so that in some contexts, it >>> subtracts the first argument from the second.) >>> >>> (Is Clojure is getting too popular? Its essential features--prefix >>> notation, parentheses, purely functional operations, and laziness--aren't >>> doing enough to scare away Java programmers? :-) >>> >>> -- >>> 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. >>> >> >> >> >> -- >> László Török >> Checkout justonemorepoint.com - Know your true value >> >> -- > 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.
