Upgrade to Pro — share decks privately, control downloads, hide ads and more …

オブジェクトしこう

Avatar for Masafumi Okura Masafumi Okura
March 24, 2024
Programming
2
410

 オブジェクトしこう

タイトルがやりたかっただけ。
https://ooc.connpass.com/event/305241/
Avatar for Masafumi Okura

Masafumi Okura

March 24, 2024
Tweet

More Decks by Masafumi Okura

See All by Masafumi Okura
My KaigiEffect at RubyKaigi 2025, part 1
Avatar for Masafumi Okura okuramasafumi
1
25
Writing documentation can be fun with plugin system
Avatar for Masafumi Okura okuramasafumi
0
170
Alba: Why, How and What's So Interesting
Avatar for Masafumi Okura okuramasafumi
0
330
Why did my proposals get rejected?
Avatar for Masafumi Okura okuramasafumi
1
620
A suggestion for the future of RDoc
Avatar for Masafumi Okura okuramasafumi
1
260
15 JSON serializers for Ruby
Avatar for Masafumi Okura okuramasafumi
2
320
Tech Events, Should We See Them from the Outside or the Inside?
Avatar for Masafumi Okura okuramasafumi
1
60
Creating gems 101
Avatar for Masafumi Okura okuramasafumi
2
120
How NOT to make your DSL terrible
Avatar for Masafumi Okura okuramasafumi
0
510

Other Decks in Programming

See All in Programming
Optimizing JRuby 10
Avatar for headius headius
0
580
Vibe Coding の話をしよう
Avatar for schroneko schroneko
14
3.7k
マイコンでもRustのtestがしたい/KernelVM Kansai 11
Avatar for Toshifumi NISHINAGA tnishinaga
0
850
プロダクトエンジニアのしごと 〜 受託 × 高難度を乗り越えるOptium開発 〜
Avatar for ALGO ARTIS algoartis
0
200
状態と共に暮らす：ステートフルへの挑戦
Avatar for ypresto ypresto
3
1.2k
The Missing Link in Angular’s Signal Story: Resource API and httpResource
Avatar for Manfred Steyer manfredsteyer
PRO
0
140
The Nature of Complexity in John Ousterhout’s Philosophy of Software Design
Avatar for Philip Schwarz philipschwarz
PRO
0
160
M5UnitUnified 最新動向 2025/05
Avatar for GOB gob
0
140
MySQL初心者が311個のカラムにNot NULL制約を追加していってALTER TABLEについて学んだ話
Avatar for hatsu hatsu38
2
110
Embracing Ruby magic
Avatar for Vinicius Stock vinistock
2
210
実践Webフロントパフォーマンスチューニング
Avatar for しーぴー cp20
45
10k
RuboCop: Modularity and AST Insights
Avatar for Koichi ITO koic
3
2.6k

Featured

See All Featured
VelocityConf: Rendering Performance Case Studies
Avatar for Addy Osmani addyosmani
329
24k
Faster Mobile Websites
Avatar for Dean Hume deanohume
306
31k
Intergalactic Javascript Robots from Outer Space
Avatar for Vicent Martí tanoku
271
27k
"I'm Feeling Lucky" - Building Great Search Experiences for Today's Users (#IAC19)
Avatar for Dan Newman danielanewman
227
22k
Adopting Sorbet at Scale
Avatar for Ufuk Kayserilioglu ufuk
76
9.4k
Done Done
Avatar for chrislema chrislema
184
16k
Chrome DevTools: State of the Union 2024 - Debugging React & Beyond
Avatar for Addy Osmani addyosmani
5
600
Building a Modern Day 
E-commerce SEO Strategy
Avatar for Aleyda Solis aleyda
40
7.2k
4 Signs Your Business is Dying
Avatar for Josh Pigford shpigford
183
22k
GraphQLの誤解/rethinking-graphql
Avatar for sonatard sonatard
71
10k
How to train your dragon (web standard)
Avatar for Monica Dinculescu notwaldorf
91
6k
How STYLIGHT went responsive
Avatar for nonsquared nonsquared
100
5.5k

Transcript

  1. ΦϒδΣΫτ͜͠͏ Object-Oriented Conference 2024 OKURA Masafumi, 2024-03-24

  2. ࣗݾ঺հ • ໊લɿେ૔խ࢙ • ॴଐɿϑϦʔϥϯε • ಘҙݴޠɿRubyʢΦϒδΣΫτࢦ޲εΫϦϓτݴޠʣ • ΤσΟλɿNeovim •

    ՝֎׆ಈɿKaigi on RailsνʔϑΦʔΨφΠβʔɺOSS׆ಈɺ֤छొஃ ʢEurukoɺσϒαϛɺBuriKaigiͳͲʣ
  3. None

  4. ͜͠͏

  5. ʮࢼߦʯࡨޡ

  6. ᅂ޷

  7. ΦϒδΣΫτᅂ޷ Object-Oriented Conference 2024 OKURA Masafumi, 2024-03-24

  8. ͓୊

  9. ޷͖ͳ ΦϒδΣΫτ

  10. nil

  11. ͑ɺnilʁ • RubyͰ͸nil͸NilClassͷΠϯελϯε • nil͕ΦϒδΣΫτͩͱϝιου͕ݺ΂ͯศར • ྫ͑͹to_sͰจࣈྻʹͨ͠ΓͰ͖Δ • ؾΛൈ͍ͯNoMethodErrorʹͳΔͷ͸͍͍ͩͨ͜Ε

  12. ޷͖ͳΫϥε

  13. UnboundMethod Ϋϥε

  14. ͑ɺϝιουʁ • RubyͰ͸ϝιου΋ΫϥεʢMethodΫϥεʣ • ϝιουͦͷ΋ͷ͸͍ΘΏΔୈҰڃΦϒδΣΫτͰ͸ͳ͍ʢͦͷ༻్ ʹ͸ϒϩοΫΛ࢖͏ʣ͕ɺΦϒδΣΫτԽ͸؆୯ʹͰ͖Δ • UnboundMethodΫϥε͸Πϯελϯε͔Β੾Γ཭͞ΕͨϝιουΛ දݱ͢ΔΫϥε •

    ͦͷ··Ͱ͸callͰ͖ͳ͍ͷͰɺbind͢Δඞཁ͕͋Δ

  15. ࣗ༝ͳ ϓϩάϥϛϯάʂ

  16. ݴޠͷॏཁੑ

  17. ݴޠ͕ࢥߟΛنఆ͢Δ • ਓ͸ݴޠ͕ఏڙ͢Δ࿮ͷதͰࢥߟ͢Δ • ͦΕ͕ݴޠͷ໾ׂͷҰͭͰ΋͋Δ • ࢖͍ͬͯΔݴޠͷ࿮૊Έ͕Ϧονͩͱɺࢥߟ΋ϦονʹͳΔ • ݴޠʹଉۤ͠͞Λײͨ͡Βҧ͏ݴޠΛࢼͯ͠ΈΔͷ΋ΞϦ͔΋

  18. ΦϒδΣΫτࢥߟ

  19. ΦϒδΣΫτࢥߟ Object-Oriented Conference 2024 OKURA Masafumi, 2024-03-24