"Simple Made Easy" Made Easy

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"Simple Made Easy" Made Easy "Simple Made Easy" Made Easy Clojure Clojure

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lagénorhynque lagénorhynque (defprofile lagénorhynque :id @lagenorhynque :reading "/laʒenɔʁɛ̃ k/" :aliases [" "] :languages [Clojure Haskell English français] :interests [programming language-learning law mathematics] :commits ["github.com/lagenorhynque/duct.module.pedestal"] :contributes ["github.com/japan-clojurians/clojure-site-ja"])

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Clojure Clojure (*> ᴗ •*) (*> ᴗ •*) clojure tips ? 7 7

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1. "simple" "easy" 2. Simple Made Easy 3. "simple" "easy" 4. "simple" "easy" 5. "simple" 6. "simple" 7. Clojure "simple"

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"simple" "easy" "simple" "easy"

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Clojure "simple" Clojure "simple" "easy" Clojure "simple"

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Simple Made Easy Simple Made Easy

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( ( ) ) Clojure "simple" ( Clojurian ) cf. ( ) Simple Made Easy Simple Made Easy Strange Loop 2011 Strange Loop 2011 Rich Hickey Simplicity Matters Rails Conf 2012 | eed3si9n

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"Simple Made Easy" "Simple Made Easy" simple "simple" "easy" "simple" "easy" ? Word Power Made Easy

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"simple" "easy" "simple" "easy"

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"simple" "simple" < simplex (= sim + plex) simplex : / : (= com + plex) : simple complex

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"easy" "easy" (= + y) < aise/eise < adjacens adjacens (cf. adjacent) : ( ) ( ) ( ) / : : easy easy ease hard

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"simple" "easy" "simple" "easy"

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"simple" "easy" "simple" "easy" simple/complex, easy/hard 2 easy simple ! complex simple Rich Hickey simple or complex simple or easy

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"easy but complex" vs "simple but hard" "easy but complex" vs "simple but hard" easy complex (= not simple) easy complex complex simple hard (= not easy) hard simple simple

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"simple" "simple"

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(complexity)

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"simple" "simple" "simple" /

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"simple" "simple"

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"simple" "complex" ( ) "simple" (abstract) (draw away) who, what, when, where, why, how "simple" (simplify) complect abstract

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Clojure "simple" Clojure "simple"

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;; Common Lisp: "complect" (defun fizzbuzz (n) (let ((fizzp (zerop (mod n 3))) (buzzp (zerop (mod n 5)))) (cond ((and fizzp buzzp) "Fizz Buzz") (buzzp "Buzz") (fizzp "Fizz") (t n)))) ;; Clojure: "simple" (defn fizzbuzz [n] (let [fizz? (zero? (mod n 3)) buzz? (zero? (mod n 5))] (cond (and fizz? buzz?) "Fizz Buzz" buzz? "Buzz" fizz? "Fizz" :else n)))

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"complect" ( ) "simple"

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"complect" atom, ref, agent "simple"

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"complect" who ( ) what ( ) "complect" "simple"

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what ( ) who ( ) "complect" "simple" e.g. core.async

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"simple" "simple" Simple Made Easy / ! Clojure !

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Further Reading Further Reading Simple Made Easy matthiasn/talk-transcripts > Hickey_Rich/SimpleMadeEasy.md Clojure Simple Made Easy - Simplicity Matters | eed3si9n Clojure Design Decisions Clojure - Clojure core.async Channels