Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
ClojureScript のある生活
Search
ayato
December 16, 2015
Programming
3
3k
ClojureScript のある生活
ayato
December 16, 2015
Tweet
Share
More Decks by ayato
See All by ayato
マイクロサービス内で動くAPIをF#で書いている
ayato0211
1
740
Clojureという言語が私逹にもたらしたもの
ayato0211
6
3k
3年間考え続けてきたWebアプリケーションにおけるテストの話
ayato0211
3
260
Re:REPL-Driven Development
ayato0211
3
1.3k
Meta Template Engine
ayato0211
2
1.1k
超変換! Hiccup data structure!!
ayato0211
2
600
About Integrant
ayato0211
0
550
Muscle Assert
ayato0211
0
260
Clojureを用いたWebアプリケーション開発
ayato0211
2
3.1k
Other Decks in Programming
See All in Programming
The Modern View Layer Rails Deserves: A Vision For 2025 And Beyond @ RailsConf 2025, Philadelphia, PA
marcoroth
2
760
AI駆動のマルチエージェントによる業務フロー自動化の設計と実践
h_okkah
0
260
PHPUnitの限界をPlaywrightで補完するテストアプローチ
yuzneri
0
250
レトロゲームから学ぶ通信技術の歴史
kimkim0106
0
120
AIともっと楽するE2Eテスト
myohei
9
3.1k
顧客の画像データをテラバイト単位で配信する 画像サーバを WebP にした際に起こった課題と その対応策 ~継続的な取り組みを添えて~
takutakahashi
4
1.3k
Claude Code + Container Use と Cursor で作る ローカル並列開発環境のススメ / ccc local dev
kaelaela
12
7.3k
iOS 26にアップデートすると実機でのHot Reloadができない?
umigishiaoi
0
140
レベル1の開発生産性向上に取り組む − 日々の作業の効率化・自動化を通じた改善活動
kesoji
1
330
AWS Summit Japan 2024と2025の比較/はじめてのKiro、今あなたは岐路に立つ
satoshi256kbyte
1
210
MySQL9でベクトルカラム登場!PHP×AWSでのAI/類似検索はこう変わる
suguruooki
1
190
MCPを使ってイベントソーシングのAIコーディングを効率化する / Streamlining Event Sourcing AI Coding with MCP
tomohisa
0
180
Featured
See All Featured
[Rails World 2023 - Day 1 Closing Keynote] - The Magic of Rails
eileencodes
35
2.4k
KATA
mclloyd
30
14k
Fight the Zombie Pattern Library - RWD Summit 2016
marcelosomers
234
17k
Build your cross-platform service in a week with App Engine
jlugia
231
18k
jQuery: Nuts, Bolts and Bling
dougneiner
63
7.8k
RailsConf 2023
tenderlove
30
1.2k
Art, The Web, and Tiny UX
lynnandtonic
300
21k
Speed Design
sergeychernyshev
32
1k
The Invisible Side of Design
smashingmag
301
51k
The Illustrated Children's Guide to Kubernetes
chrisshort
48
50k
Rails Girls Zürich Keynote
gr2m
95
14k
Navigating Team Friction
lara
187
15k
Transcript
$MPKVSF4DSJQU ͕ ͋Δੜ׆ !@BZBUP@Q
ࣗݾհ +4Φδαϯ$MPKVSFΦδαϯ +BWB4DSJQUॳ৺ऀͰ͢ ࠓ$MPKVSF͔͠ॻ͍ͯͳ͍ਓ $ZCP[V4UBSUVQT *OD
͜Μͳܦݧ͋Γ·ͤΜ͔ʁ ྫ͑ΦϯϥΠϯγϣοϓΈ͍ͨͳγεςϜɻ
͜Μͳܦݧ͋Γ·ͤΜ͔ʁ Χʔτͷ߹ܭֹۚΛϑϩϯτΤϯυͱ αʔόʔαΠυ྆ํͰಉ͡ܭࢉΛ͢Δඞཁ͕͋Δɻ
͜Μͳܦݧ͋Γ·ͤΜ͔ʁ ͔͠͠ɺֹۚܭࢉͳͷͰͲͪΒʹ ಉ࣮͢͡Δͱ͍͏͜ͱͨ͘͠ͳ͍ɻ
͜Μͳܦݧ͋Γ·ͤΜ͔ʁ ߹ܭֹۚܭࢉ"1*Λୟ͖·ͬͯ͘ αʔόʔαΠυͰܭࢉͨ݁͠ՌΛϑϩϯτʹฦ͢
͜Μͳܦݧ͋Γ·ͤΜ͔ʁ ී௨ʹߟ͑ͯͭΒ͍ ඇಉظॲཧΛྻԽͨ͠ΓɺϝϞԽͨ͠Γେม
ͦ͜Ͱ$MPKVSF4DSJQUͰ͢Α 3FBEFS$POEJUJPOBMTͷ͓ӄͰ 8SJUFPODF SVOBOZXIFSF 5SBOTJUϑΥʔϚοτͰ γʔϜϨεͳσʔλ௨৴ ϑϩϯτΤϯυαʔόʔαΠυ $MPKVSFͷ͚ࣝͩͰॻ͚Δ
$MPKVSF4DSJQU "MU+4ͱ͍͏ΑΓ$MPKVSFͷλʔήοτ͕ +7.Ͱͳ͘+BWB4DSJQUʹͳͬͨͷ ΄ͱΜͲ$MPKVSFͱಉ͚ͩ͡ͲɺҰ෦ҧ͏ JOUFSPQͱ͔ϚΫϩ͑Δ͚Ͳॻ͚ͳ͍ͱ͔ ΤίγεςϜ͕ڧ͍ ͱͯ 'JHXIFFMͰ8FC1BDL).3ͱಉ
#SPXTFS3&1-ͰϒϥβڥऔΕΔ
3FBEFS$POEJUJPOBMT $MPKVSF͔Β͑ΔΑ͏ʹͳͬͨݴޠػೳ DMKD֦ுࢠͰఆ͓ٛͯ͘͠ͱ $MPKVSF$MPKVSF4DSJQUͲͪΒ͔ΒಡࠐՄೳ ݴޠಛ༗ͷ͚ͩΛࠩఆٛग़དྷΔ
;; dates (.getTime #?(:clj (java.util.Date.) :cljs (js/Date.))) ;; uris #?(
:clj (defn url-encode [string] (some-> string str (URLEncoder/encode "UTF-8") (.replace "+" "%20"))) :cljs (defn url-encode [string] (some-> string str (js/encodeURIComponent) (.replace "+" "%20")))) ;; reflection warnings #?(:clj (set! *warn-on-reflection* true)) 3FBEFS$POEJUJPOBMT
5SBOTJU $MPKVSFͰ༗໊ͳ$PHOJUFDUͷ࡞ͬͨ ৽͍͠σʔλϑΥʔϚοτ ϓϩάϥϜಉ࢜ͷίϛϡχέʔγϣϯʹ͑Δ ϢʔβʔఆٛܕใΛૹड৴͢Δ͜ͱ͕ग़དྷΔ ωετͨͨͩ͠ͷϚοϓྻͱάοόΠ
(ns transit-demo.core (:require [cognitect.transit :as transit]) (:import [java.io ByteArrayInputStream ByteArrayOutputStream]))
(def custom-writer (transit/write-handler-map {Cart (transit/write-handler (constantly "cart") #(:items %)) Item (transit/write-handler (constantly "item") #(apply vector (vals %)))})) (def out (ByteArrayOutputStream. 4096)) (def writer (transit/writer out :json {:handlers custom-writer})) 5SBOTJU
(defprotocol Calculatable (calculate [x])) (defrecord Cart [items] Calculatable (calculate [self]
(apply + (map calculate items)))) (defn new-cart [items] (map->Cart {:items items})) (defrecord Item [name price] Calculatable (calculate [self] (* price 1.08))) (defn new-item [name price] (map->Item {:name name, :price price})) 5SBOTJU
(def my-cart-data (new-cart [(new-item "Clojure Programming" 1000) (new-item "Clojure Applied"
2500)])) (transit/write writer my-cart-data) (.toString out) ;; => "[\"~#cart\",[[\"~#item\",[\"Clojure Programming\",1000]], ;; [\"^1\",[\"Clojure Applied\",2500]]]]" 5SBOTJU
(def custom-reader (transit/read-handler-map {"cart" (transit/read-handler new-cart) "item" (transit/read-handler #(apply new-item
%))})) (def in (ByteArrayInputStream. (.toByteArray out))) (def reader (transit/reader in :json {:handlers custom-reader})) (def my-cart-data' (transit/read reader)) (calculate my-cart-data') ;; => 3780.0 5SBOTJU
ͭ·Γ 5SBOTJU8SJUFS3FBEFS 5ZQF3FDPSE DMK DMKD DMKT 1SPUPDPM 4FSWFSTJEF $MJFOUTJEF
།Ұͷܽ 3BUJPܕ͕$MPKVSF4DSJQUͰαϙʔτ͞Εͳ͍ ϥΠϒϥϦͰղܾͰ͖ΔͷͰͳ͍
·ͱΊ 5SBOTJUϑΥʔϚοτͰγʔϜϨεʹ σʔλΛड͚ͤΔ 3FBEFS$POEJUJPOBMTͰϑϩϯτͱαʔόʔα ΠυͰඞཁͳॲཧΛڞ௨Խग़དྷΔ $MPKVSF࠷ߴʂ
Enjoy Clojure