"Simple Made Easy" Made Easy

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July 29, 19

スライド概要

Rich Hickeyの有名なプレゼン"Simple Made Easy"を簡単に解説(*> ᴗ •*)ゞ
Clojureの基本的な設計思想を理解しよう!

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「楽しく楽にcoolにsmartに」を理想とするprogrammer/philosopher/liberalist/realist。 好きな言語はClojure, Haskell, Python, English, français, русский。 読書、プログラミング、語学、法学、数学が大好き! イルカと海も大好き🐬

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"Simple Made Easy" Made Easy Clojure

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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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7 Clojure clojure tips ? (*> ᴗ •*)

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

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Clojure "simple" "easy" Clojure "simple"

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Simple Made Easy

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

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"simple" "easy"

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

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

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"simple" "easy"

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

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"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"

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(complexity)

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"simple" "simple" /

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

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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: (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))) "simple"

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"complect" ( ) "simple"

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"complect" atom, ref, agent "simple"

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

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

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"simple" Simple Made Easy Clojure / ! !