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
Block_is_everywhere.pdf
Search
Masafumi Okura
December 11, 2019
Programming
0
100
Block_is_everywhere.pdf
Masafumi Okura
December 11, 2019
Tweet
Share
More Decks by Masafumi Okura
See All by Masafumi Okura
Writing documentation can be fun with plugin system
okuramasafumi
0
120
Alba: Why, How and What's So Interesting
okuramasafumi
0
250
Why did my proposals get rejected?
okuramasafumi
1
540
A suggestion for the future of RDoc
okuramasafumi
1
180
15 JSON serializers for Ruby
okuramasafumi
2
240
Tech Events, Should We See Them from the Outside or the Inside?
okuramasafumi
1
53
Creating gems 101
okuramasafumi
1
100
How NOT to make your DSL terrible
okuramasafumi
0
430
オブジェクトしこう
okuramasafumi
2
340
Other Decks in Programming
See All in Programming
苦しいTiDBへの移行を乗り越えて快適な運用を目指す
leveragestech
0
790
Amazon ECS とマイクロサービスから考えるシステム構成
hiyanger
2
580
SwiftUI Viewの責務分離
elmetal
PRO
2
250
ソフトウェアエンジニアの成長
masuda220
PRO
12
2k
AWS Organizations で実現する、 マルチ AWS アカウントのルートユーザー管理からの脱却
atpons
0
150
新宿駅構内を三人称視点で探索してみる
satoshi7190
2
110
『テスト書いた方が開発が早いじゃん』を解き明かす #phpcon_nagoya
o0h
PRO
3
1.8k
Honoとフロントエンドの 型安全性について
yodaka
7
1.4k
Lottieアニメーションをカスタマイズしてみた
tahia910
0
130
Formの複雑さに立ち向かう
bmthd
1
890
CI改善もDatadogとともに
taumu
0
170
PHPカンファレンス名古屋2025 タスク分解の試行錯誤〜レビュー負荷を下げるために〜
soichi
1
520
Featured
See All Featured
Speed Design
sergeychernyshev
27
800
Practical Orchestrator
shlominoach
186
10k
It's Worth the Effort
3n
184
28k
Making Projects Easy
brettharned
116
6k
Building an army of robots
kneath
303
45k
jQuery: Nuts, Bolts and Bling
dougneiner
63
7.6k
Optimising Largest Contentful Paint
csswizardry
34
3.1k
Bash Introduction
62gerente
611
210k
Build your cross-platform service in a week with App Engine
jlugia
229
18k
Writing Fast Ruby
sferik
628
61k
Designing for humans not robots
tammielis
250
25k
Templates, Plugins, & Blocks: Oh My! Creating the theme that thinks of everything
marktimemedia
30
2.2k
Transcript
Block is everywhere Event: LegalForce Ruby Meet Up #1 Date:
2019-12-11 Speaker: େխ࢙
pp self • ໊લɿେխ࢙ • ॴଐɿϑϦʔϥϯε • ΤσΟλɿVim • Α͍͘ΔίϛϡχςΟɿGrow.rbʢओ࠵ʣɺTama.rbͳͲ
RubyͷϒϩοΫૉΒ͍͠
RubyͷϒϩοΫͷΘΕํ
RubyͷϒϩοΫ͕ΘΕ͍ͯΔՕॴ • RailsͷϨΠΞτͷϨϯμϦϯάʢyieldʣ • ֤छgemͷઃఆʢconfigure doʣ • RakeFactoryBotʹද͞ΕΔDSL • Ϧιʔεͷཧ
• ϑοΫͷఆٛ • etc…
RailsͷϨΠΞτͷϨϯμϦϯά • ϨΠΞτϑΝΠϧͷதʹ͋Δ”yield”࣮ϒϩοΫΛධՁ͠ ͍ͯΔ • RailsͷϏϡʔʢςϯϓϨʔτʣ࠷ऴతʹRubyͱ࣮ͯ͠ߦ͞ ΕΔͷͰೖΕࢠΛ࣮ݱ͢ΔͷʹϒϩοΫΛωετ͍ͤͯ͞Δͱ ࢥΘΕΔ • Ұ൪ແҙࣝʹϒϩοΫΛ͍ͬͯΔՕॴͰʁ
֤छgemͷઃఆ • “configure do |config|”ͱ͔ͷΞϨવϒϩοΫΛ͍ͬͯΔ • ίϯϑΟάΦϒδΣΫτʹΞΫηε͢Δͷ͕ײతʹͰ͖Δ • ઃఆ͞ΕΔଆ”config =
Config.new; yield(config)”Έ͍ͨʹ ॻ͚Δ • ࣮ϒϩοΫΛ͏ඞཁͳ͍…ʁ
DSL • DSLΛ࣮͢ΔͷʹϒϩοΫʢͱ͍͏ΑΓProcΦϒδΣΫτ ͱ”instance_eval”ϝιουʣඞਢ • RSpecͩͱϒϩοΫΛ࣮ߦ͢Δͨͼʹಗ໊ΫϥεΛ࡞͍ͯͨ͠ Γ͢Δ • ʮϝλϓϩάϥϛϯάRubyʯͱ͍͏໊ஶΛಡΉͱΈ͕Θ͔Δ
Ϧιʔεͷཧ • “File.open do |f|”͕දత • “Net::HTTP.start do |http|”ͳΜ͔ͦ͏ •
ϝιου͕ϦιʔεΛ࡞͠ɺϒϩοΫ͕ด͡ΔͱϦιʔε ด͡ΒΕΔ
ϑοΫͷఆٛ • RSpecͷ”before(:each)”Railsͷ”before_action”ͳͲ͕දత • ϒϩοΫͷதΛProcΦϒδΣΫτͱͯ࣋ͪ͠ճ͢ • aroundܥͷϑοΫ෦ͰyieldΛݺͿͱຊॲཧ͕ΔͷͰೋ ॏʹϒϩοΫΛ͍ͬͯΔ
ଞʹ৭ʑͳϝιου͕ϒϩοΫΛड͚Δ • Enumerable#countʢϒϩοΫ͕trueͷཁૉΛ͑Δʣ • ActiveRecord::Relation#buildʢϒϩοΫͰΠϯελϯεઃఆʣ • Hash.newʢॳظԽͷํ๏Λنఆʣ • String#gsubʢஔͷํ๏Λنఆʣ
͓·͚
RubyͷϒϩοΫΫϩʔδϟ
पғͷڥʹΞΫηεͰ͖ΔͷͰɺ ৭ʑͱϋοΫ͢Δ͜ͱ͕Ͱ͖Δ
ྫɿΧϯλΦϒδΣΫτ