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
Good interface: Command pattern as an example
Search
Masafumi Okura
June 08, 2019
Programming
1
1.2k
Good interface: Command pattern as an example
Masafumi Okura
June 08, 2019
Tweet
Share
More Decks by Masafumi Okura
See All by Masafumi Okura
Why doesn't Ruby have Boolean class - final version
okuramasafumi
0
320
Reading Rails 1.0 Source Code
okuramasafumi
0
290
RDoc meets YARD
okuramasafumi
4
180
Why doesn't Ruby have Boolean class?
okuramasafumi
0
23
My KaigiEffect at RubyKaigi 2025, part 1
okuramasafumi
1
57
Writing documentation can be fun with plugin system
okuramasafumi
0
210
Alba: Why, How and What's So Interesting
okuramasafumi
0
410
Why did my proposals get rejected?
okuramasafumi
1
740
A suggestion for the future of RDoc
okuramasafumi
1
430
Other Decks in Programming
See All in Programming
overlayPreferenceValue で実現する ピュア SwiftUI な AdMob ネイティブ広告
uhucream
0
110
CSC305 Lecture 02
javiergs
PRO
1
260
Breaking Up with Big ViewModels — Without Breaking Your Architecture (droidcon Berlin 2025)
steliosf
PRO
1
340
プロダクト開発をAI 1stに変革する〜SaaS is dead時代で生き残るために〜 / AI 1st Product Development
kobakei
0
490
Your Perfect Project Setup for Angular @BASTA! 2025 in Mainz
manfredsteyer
PRO
0
130
フロントエンド開発に役立つクライアントプログラム共通のノウハウ / Universal client-side programming best practices for frontend development
nrslib
7
3.9k
(Extension DC 2025) Actor境界を越える技術
teamhimeh
1
230
ネイティブ製ガントチャートUIを作って学ぶUICollectionViewLayoutの威力
jrsaruo
0
130
階層構造を表現するデータ構造とリファクタリング 〜1年で10倍成長したプロダクトの変化と課題〜
yuhisatoxxx
3
920
ソフトウェア設計の実践的な考え方
masuda220
PRO
3
490
実践AIチャットボットUI実装入門
syumai
7
2.5k
猫と暮らすネットワークカメラ生活🐈 ~Vision frameworkでペットを愛でよう~ / iOSDC Japan 2025
yutailang0119
0
220
Featured
See All Featured
Building Better People: How to give real-time feedback that sticks.
wjessup
368
20k
How to train your dragon (web standard)
notwaldorf
96
6.3k
Java REST API Framework Comparison - PWX 2021
mraible
33
8.8k
The Art of Programming - Codeland 2020
erikaheidi
56
14k
実際に使うSQLの書き方 徹底解説 / pgcon21j-tutorial
soudai
PRO
188
55k
Understanding Cognitive Biases in Performance Measurement
bluesmoon
29
2.6k
Practical Tips for Bootstrapping Information Extraction Pipelines
honnibal
PRO
23
1.5k
Into the Great Unknown - MozCon
thekraken
40
2.1k
ピンチをチャンスに:未来をつくるプロダクトロードマップ #pmconf2020
aki_iinuma
127
53k
Product Roadmaps are Hard
iamctodd
PRO
54
11k
Code Review Best Practice
trishagee
72
19k
Making Projects Easy
brettharned
119
6.4k
Transcript
ྑ͍ΠϯλʔϑΣΠεͷ୳ٻ ίϚϯυύλʔϯΛྫʹ େխ࢙ʢ@okuramasafumiʣ ໊ݹRubyձٞ04―େਢԋܳ 2019-06-08ʢʣ
ࠓͷൃද͕͋ͪͪ͜ʹ ભҠ͍͖ͯ͠·͢ɻ མޠͩͱࢥָͬͯ͠Έͳ͕Β ͓͔͚͖͍ͬͯͯͩ͘͞!
pp self • ໊લɿ͢ͱ·͞;Έʢେխ࢙ʣ • ॴଐɿϑϦʔϥϯε • ׆ಈॴɿ౦ژ • ͖ͳgemɿPry,
RSpec • ӡӦͯ͠ΔίϛϡχςΟɿGrow.rb
໊ݹRubyձٞ
໊ݹRubyձٞ
զʑͳͥRubyΛ͏ͷ͔
Rubyͷ
զʑͳͥRubyΛ͏ͷ͔ • ॻ͖͍͢ • ʮॻ͖͢͞ʯͬͯͳΜͩΖ͏ • ಡΈ͍͢ • ʮಡΈ͢͞ʯͬͯ(ry •
Rails
զʑ͕RubyΛ͏ཧ༝
ϓϩάϥϛϯάָ͕͍͠
ͳͥRubyͰϓϩάϥϛϯάΛ͢Δͱ ָ͍͠ͷͩΖ͏͔ʁ
https://www.atmarkit.co.jp/news/ 200907/24/ruby2.html
yuguiɿ ͦΕɺίϨΫγϣϯ͕͋ͬͯγϟοϑϧ ͍ͨ͠ͱࢥͬͨΒɺshuffleͱॻ͍ͯɺͦΕ Ͱಈ͔ͳ͖Ό͍͚ͳ͍ΜͰ͢Αɻ
ࢥͬͨͱ͓Γʹಈ͘ ʢৗʹಈ͘ͱݴ͍ͬͯͳ͍ʣ
ͱ͜ΖͰɿ ͳΜͰ͜ͷΛ͍ͯ͠Δͷ͔
ָ͘͠ϓϩάϥϛϯάͰ͖Δ ྖҬΛ͍͛ͨʂ
ϥΠϒϥϦΛॻ͍ͯΈΑ͏ →ॻ͖·ͨ͠
https://github.com/okuramasafumi/ neco
150ߦͪΐ͍ͷϥΠϒϥϦ
2ճ΄Ͳॻ͖͍ͯ͠Δ
ΠϯλʔϑΣΠεʹೲಘ͕͍͔ͳ͔ͬͨ
ΠϯλʔϑΣΠεʹ͍ͭͯ ͍Ζ͍Ζߟ͑ͨͷͰɺ ͦͷՌʢʁʣΛڞ༗͍ͨ͠
ͦͦɿ ΠϯλʔϑΣΠεͬͯ ͳΜ͚ͩͬʁ
Interface (MacOSͷࣙॻΑΓ) 1. a point where two systems, subjects, organizations,
etc. meet and interact 2. Computing a device or program enabling a user to communicate with a computer
ΠϯλʔϑΣΠε ίϯϐϡʔλͱͷίϛϡχέʔγϣϯ ͷͱΓํΛܾఆ͢Δͷ
ΠϯλʔϑΣΠεʹϝιου
ΠϯλʔϑΣΠεʹϝιουγάχνϟ
ʮࢥͬͨͱ͓Γʹಈ͘ʯ
Ruby ΠϯλʔϑΣΠεʢ㲓ϝιουγάχνϟʣ ͕ྑ͍͔ΒΘΕ͍ͯΔ
DSL
ҎԼɺ ʮDSLʯʮݴޠDSLʯΛࢦ͠·͢
Domain Specific Language
Ruby͕ΘΕΔཧ༝ͷҰͭ
RubyʹΑΔDSLͷ۩ମྫ • ActiveRecordʢRailsܥʣ • RakeʢϏϧυܥʣ • RSpecʢBDDʣ • PuppetChefɺVagrantʢDevOpsܥʣ •
HomebrewʢύοέʔδϚωʔδϟʣ
ڞ௨
DSLԿ͔Λఆ͍ٛͯ͠Δ
RubyʹΑΔDSLͷ۩ମྫʢ࠶ܝʣ • ActiveRecordʢRailsܥʣ • RakeʢϏϧυܥʣ • RSpecʢBDDʣ • PuppetChefɺVagrantʢDevOpsܥʣ •
HomebrewʢύοέʔδϚωʔδϟʣ
RubyʹΑΔDSLͷ۩ମྫʢఆٛྫ͖ʣ • ActiveRecordʢσʔλϞσϧͷఆٛʣ • RakeʢϏϧυϓϩηεͷఆٛʣ • RSpecʢ·ΕΔৼΔ͍ͷఆٛʣ • PuppetChefɺVagrantʢ֤छΠϯϑϥϦιʔεͷఆٛʣ •
Homebrewʢύοέʔδͷఆٛʣ
ͱ͜ΖͰɿ DSL୯ͳΔΫϥεϝιου ʢͷ߹͕ଟ͍ʣ
ͭ·Γɿ DSL·ͨΠϯλʔϑΣΠε
͜͜·Ͱͷ·ͱΊ • ΠϯλʔϑΣΠε͕ྑ͍ͱָ͘͠ϓϩάϥϛϯάͰ͖Δ • ΠϯλʔϑΣΠεͱ͍͍ͩͨϝιουγάχνϟͷ͜ͱ • ֤ॴͰΘΕ͍ͯΔDSL࣮ͨͩͷϝιου • DSLʮఆٛʯʹڧ͍ •
ΠϯλʔϑΣΠεʮ७ਮͳϝιουʯͱDSLʹ͚ΒΕΔ
https://rubykaigi.org/2019/ presentations/tanaka_akr.html
ྑ͍ΠϯλʔϑΣΠεͬͯ ͳΜͩΖ͏ʁʁʁ
⚠ ͜Εͯ͢ࢲͷ୯ͳΔҰҙݟͰ͢ Ͳ͔ͬͪͱ͍͏ͱ͕΄͍͠… ࠙ձͰ͓͠·͠ΐ͏
ྑ͍ΠϯλʔϑΣΠεͷ̏ݪଇ • ໎Θͳ͍ • ґଘ͠ͳ͍ • ͤ͗͢ͳ͍
໎Θͳ͍ • ϝιου໊ʹࡾ୯ݱͷʮsʯඞཁ͚ͩͬʁ • ͋ͷΫϥεcallͰݺͿΜ͚ͩͬɺperform͚ͩͬʁ • Πϯελϯεϝιου͚ͩͬɺΫϥεϝιου͚ͩͬʁ • Ҿͷॱংʁ
ґଘ͠ͳ͍ • ϝιουνΣʔϯΛલఏͱ͠ͳ͍ʢಛఆͷฦΓʹґଘ͠ͳ ͍ʣ • ςετ࣌ͷελϒ͕ߴʑҰͭͰࡁΉ
ͤ͗͢ͳ͍ • ΤϯυϢʔβʔ͕ࣗྗͰͰ͖Δ͜ͱΒͳ͍ • ୯७ͳόϦσʔγϣϯʹෳࡶͳDSLຊʹඞཁ͔ʁ • ΤϯυϢʔβʔ͕ࣗྗͰΓͮΒ͍͜ͱΛΔ • νΣʔϯͨ͠ϩʔϧόοΫॲཧࣗྗͰ͍͠ʢޙड़ʣ
௨ৗͷϝιου͔DSL͔ɺ ͦΕ͕ͩ
શ෦ϝιουͰ͍͍͡ΌΜɺ DSLͱ͔֮͑Δͷେมͩ͠ʂ Pure Ruby࠷ߴʂ
ͱࢥͬͯͨ࣌ظ͕ʹ͋Γ·ͨ͠…
ϝιουΠϯλʔϑΣΠεͷॴ • ҾselfͳͲ͕ࣗ໌ • ܧঝͨ͠ͱ͖ʹಈ࡞͕ཧղ͍͢͠ • ͦ͜ʹʮࠇຐज़ʯͳ͍
ϝιουΠϯλʔϑΣΠεͷॴ • ॊೈͳڍಈΛఏڙ͢ΔࡍʹϢʔβʔ͕ॻ͖͘ϝιου͕ࡶ ʹͳΓ͕ͪ • ϥΠϒϥϦ͕ϑϩʔΛίϯτϩʔϧ͠Α͏ͱ͢Δࡍʹඞཁͳ ϑοΫΛࠩ͠ڬΉͷ͕͍͠ʢϢʔβʔʹଟͷϝιουΛఆ ٛͯ͠Β͏ඞཁ͕ग़ͯ͘Δʣ
DSLͷॴ • ϒϩοΫҾϝιουҾΑΓॊೈ • దʹ໋໊͞Ε͍ͯΔ߹ɺՄಡੑ͕ߴ͍ • ϥΠϒϥϦ͕ҙͷॲཧΛϢʔβʔఆٛͷॲཧʹڬΈࠐΊΔ ʢϑοΫΩϟογϡͳͲʣ • ԿΛ͍ͨ͠ͷ͔ͷʮఆٛʯΛએݴతʹॻ͚Δ
DSLͷॴ • ʮࠇຐज़ʯ͕ଟ͘ͳΓ͕ͪͷͰɺڍಈΛਖ਼֬ʹѲ͢Δͷ͕ࠔ • దʹ໋໊͞Ε͍ͯͳ͍߹ɺՄಡੑ͕ஶ͘͠མͪΔέʔε͕ ͋Δ • ϝλϓϩάϥϛϯάΛར༻͢Δ߹ɺσόοά͕ࠔʹͳΔ
ॊೈੑͷͰDSL͕༏Ґ
͡Ό͋શ෦DSLΛ༻ҙ͠·͘Ε ͦΕͰ͍͍ͷ͔ʂʁ
ࠇຐज़͡Όͳ͍ͷͦΕʁ
DSLຐज़͕͍ ʢby Joker1007ʣ
அ͕͍͠έʔε
ྫɿ όϦσʔγϣϯఆٛͳͷͰDSLΛ͏ ͔͠͠ɺܕνΣοΫΛDSLͰߦ͏͖͔ʁ
ճྫɿ ͤ͗͢ͳ͍ݪଇʹै͍ɺ࣮ࡍͷ όϦσʔγϣϯϢʔβʔʹͤΔɺ ϥΠϒϥϦόϦσʔγϣϯఆٛͷ ϑοΫDSLͷΈఏڙ
۩ମྫ ʢࠓճͷυϝΠϯίϚϯυύλʔϯʣ
NecoϏδωεϩδοΫΛ ʮίϚϯυʯʹׂ͠ɺ ͦΕΒΛΈ߹ΘͤΔϑϩʔΛ ࢧԉ͢ΔϥΠϒϥϦ
·ͱΊ • ͔ͤͬ͘RubyͰॻ͍ͯΔΜ͔ͩΒΠϯλʔϑΣΠεʹͩ͜Θ Γ͍ͨʢָ͍ͬͯ͠ϥΠϒϥϦ͕΄͍͠ʣ • DSLRubyͷڧΈͰ͋Γɺదʹ໋໊ɾ࣮͢Ε୯७ͳϝ ιουΑΓॊೈͳఆٛΠϯλʔϑΣΠεΛఏڙͰ͖Δ • ͕Μͬͯॊೈͳ͍উखΛࢦͯ͠ΔͷͰNecoͬͯ͘ΕΑͳʢએʣ