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Understanding Core Clojure Functions
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| by Jonathan Graham Follow 0 Followers on May 11, 2016 | NOTICE: The next QCon is in New York Jun 25 - 29, 2018. Join us!

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45:35

Summary
Jonathan Graham presents how to implement our own versions of the Clojure functions reduce, count, filter, map and pmap. The pace starts gently for those with little Clojure experience to follow, but then dives deep to provide a full understanding.

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Bio

Dr. Jonathan Graham has a passion for code, music, art and science. He has developed drugs for GlaxoSmithKline, live-coded Clojure during music gigs around the world, and has contributed to massive art installations. Jonathan works at 8th Light, and is a co-founder of Mined Minds.

Software is Changing the World. QCon empowers software development by facilitating the spread of knowledge and innovation in the developer community. A practitioner-driven conference, QCon is designed for technical team leads, architects, engineering directors, and project managers who influence innovation in their teams.

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Community comments

Error on slides by Simon Polak

Looks like the my-reduce function from slides has an error in it. The recursive call should be (my-reduce f (f (first coll)) (rest coll)). Also this this function will blow the stack pretty soon :P (I'm only 7 mins in the talk though, he will probably point that out.)
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Re: Error on slides by Simon Polak

Oh, my mistake. There should be a val in (f val (first coll)).
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