Gain massive leverage in your tech stack with Clojure

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There are two ways of constructing a software design: One way is to make it so simple that there are obviously no deficiencies, and the other way is to make it so complicated that there are no obvious deficiencies. – C.A.R. Hoare Wednesday 09 October 13

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ROBERT STUTTAFORD CTO, COGNICIAN Notes: http://is.gd/leverage_clj #t4a #clojure Think. Chat. Change. Gain massive leverage in your tech stack with Clojure Wednesday 09 October 13

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Poll Wednesday 09 October 13

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Lisp Functional Immutable Dynamic(ish) Java & JS VMs Wednesday 09 October 13

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Lithp ... er, Lisp Wednesday 09 October 13

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Functional Programming Wednesday 09 October 13

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Pure Functions Wednesday 09 October 13

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What’s in witches now? Mutable data (in JavaScript) Wednesday 09 October 13

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Wednesday 09 October 13

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Immutable Data Wednesday 09 October 13

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Immutable Data Wednesday 09 October 13

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“Look, that's why there's rules, understand? So that you think before you break 'em.” – Terry Pratchett, Thief of Time Mutable data in Clojure Wednesday 09 October 13

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Let’s see some code already! Wednesday 09 October 13

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‣ Simple syntax ‣ Functions, mostly pure ‣ Immutable data ‣ Simple solutions ‣ Concise ‣ Easier to reason about In summary Wednesday 09 October 13

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Thank you! Wednesday 09 October 13

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Cape Town Clojure User Group •Meet two Thursday evenings a month •Next meet: 17 October 2013 •Venue: Codebridge in Claremont •clj_ug_ct on Twitter •Talk notes: http://is.gd/leverage_clj Wednesday 09 October 13