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
0
460
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
250
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
アンドパッドの Go 勉強会「 gopher 会」とその内容の紹介
andpad
0
260
PHP 8.4の新機能「プロパティフック」から学ぶオブジェクト指向設計とリスコフの置換原則
kentaroutakeda
2
470
技術同人誌をMCP Serverにしてみた
74th
0
280
Go1.25からのGOMAXPROCS
kuro_kurorrr
1
800
Deep Dive into ~/.claude/projects
hiragram
7
1.2k
LINEヤフー データグループ紹介
lycorp_recruit_jp
0
800
Team operations that are not burdened by SRE
kazatohiei
1
180
Bytecode Manipulation 으로 생산성 높이기
bigstark
2
370
GitHub Copilot and GitHub Codespaces Hands-on
ymd65536
1
110
Google Agent Development Kit でLINE Botを作ってみた
ymd65536
2
110
KotlinConf 2025 現地で感じたServer-Side Kotlin
n_takehata
1
230
VS Code Update for GitHub Copilot
74th
1
300
Featured
See All Featured
Helping Users Find Their Own Way: Creating Modern Search Experiences
danielanewman
29
2.7k
StorybookのUI Testing Handbookを読んだ
zakiyama
30
5.8k
Designing Dashboards & Data Visualisations in Web Apps
destraynor
231
53k
Why Our Code Smells
bkeepers
PRO
337
57k
BBQ
matthewcrist
89
9.7k
Scaling GitHub
holman
459
140k
RailsConf & Balkan Ruby 2019: The Past, Present, and Future of Rails at GitHub
eileencodes
138
34k
Testing 201, or: Great Expectations
jmmastey
42
7.5k
Understanding Cognitive Biases in Performance Measurement
bluesmoon
29
1.8k
Creating an realtime collaboration tool: Agile Flush - .NET Oxford
marcduiker
30
2.1k
Code Reviewing Like a Champion
maltzj
524
40k
Stop Working from a Prison Cell
hatefulcrawdad
270
20k
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