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
みんなに知って欲しい Meguro.rb
Search
Sponsored
·
Your Podcast. Everywhere. Effortlessly.
Share. Educate. Inspire. Entertain. You do you. We'll handle the rest.
→
Nao Minami
July 29, 2018
Programming
0
360
みんなに知って欲しい Meguro.rb
東急 Ruby 会議 #12 LTで、前半は meguro.rb の紹介、後半は yard2steep の紹介 LT をしました!
Nao Minami
July 29, 2018
Tweet
Share
More Decks by Nao Minami
See All by Nao Minami
Real World Migration from HTTP to gRPC #CNDT2020
south37
3
6.1k
Real World Migration from HTTP to gRPC in Ruby #grpcconf
south37
2
4.7k
Getting Things Done をベースにした仕事の進め方 / How to Work with Getting Things Done
south37
8
8.3k
Web API に秩序を与える Protocol Buffers / Protocol Buffers for Web API #builderscon
south37
18
17k
puma v4 では SIGTERM での worker process ゾンビ化に気をつけよう / Be aware of zombie processes in puma v4
south37
1
4.1k
理想的なマイクロサービスアーキテクチャを目指す継続的改善 / Re-architecturing of Microservices #CNDT2019
south37
10
15k
gcpc: Google Cloud Pub/Sub Client for Ruby #tqrk13
south37
1
870
実行計画から学ぶ PostgreSQL の内部動作とクエリ最適化 / Learn PostgreSQL from Explain
south37
8
42k
学びを得るための新卒 ISUCON / New Grad ISUCON for Learning
south37
4
44k
Other Decks in Programming
See All in Programming
KIKI_MBSD Cybersecurity Challenges 2025
ikema
0
1.3k
HTTPプロトコル正しく理解していますか? 〜かわいい猫と共に学ぼう。ฅ^•ω•^ฅ ニャ〜
hekuchan
2
680
開発者から情シスまで - 多様なユーザー層に届けるAPI提供戦略 / Postman API Night Okinawa 2026 Winter
tasshi
0
200
CSC307 Lecture 05
javiergs
PRO
0
500
humanlayerのブログから学ぶ、良いCLAUDE.mdの書き方
tsukamoto1783
0
190
AI によるインシデント初動調査の自動化を行う AI インシデントコマンダーを作った話
azukiazusa1
1
700
インターン生でもAuth0で認証基盤刷新が出来るのか
taku271
0
190
Basic Architectures
denyspoltorak
0
660
LLM Observabilityによる 対話型音声AIアプリケーションの安定運用
gekko0114
2
420
AI前提で考えるiOSアプリのモダナイズ設計
yuukiw00w
0
220
AIフル活用時代だからこそ学んでおきたい働き方の心得
shinoyu
0
130
Apache Iceberg V3 and migration to V3
tomtanaka
0
150
Featured
See All Featured
Leo the Paperboy
mayatellez
4
1.4k
Reflections from 52 weeks, 52 projects
jeffersonlam
356
21k
A designer walks into a library…
pauljervisheath
210
24k
Improving Core Web Vitals using Speculation Rules API
sergeychernyshev
21
1.4k
SEO for Brand Visibility & Recognition
aleyda
0
4.2k
The innovator’s Mindset - Leading Through an Era of Exponential Change - McGill University 2025
jdejongh
PRO
1
88
Prompt Engineering for Job Search
mfonobong
0
160
Agile Leadership in an Agile Organization
kimpetersen
PRO
0
79
職位にかかわらず全員がリーダーシップを発揮するチーム作り / Building a team where everyone can demonstrate leadership regardless of position
madoxten
57
50k
[RailsConf 2023] Rails as a piece of cake
palkan
59
6.3k
AI Search: Implications for SEO and How to Move Forward - #ShenzhenSEOConference
aleyda
1
1.1k
Heart Work Chapter 1 - Part 1
lfama
PRO
5
35k
Transcript
©2018 Wantedly, Inc. 29.Jul.2018 - Nao Minami (@south37) ΈΜͳʹͬͯཉ͍͠ YARD
Ͱ੩తܕ͖ Ruby ʢyard2steepʣ
©2018 Wantedly, Inc. 29.Jul.2018 - Nao Minami (@south37) ΈΜͳʹͬͯཉ͍͠ YARD
Ͱ੩తܕ͖ Ruby ʢyard2steepʣ ͱࢥͬͨΜͰ͕͢ɻɻɻ
©2018 Wantedly, Inc. 29.Jul.2018 - Nao Minami (@south37) ΈΜͳʹͬͯཉ͍͠ YARD
Ͱ੩తܕ͖ Ruby ʢyard2steepʣ Ͱແཧͦ͏ʂ
©2018 Wantedly, Inc. 29.Jul.2018 - Nao Minami (@south37) ΈΜͳʹͬͯཉ͍͠ Meguro.rb
©2018 Wantedly, Inc. ࣗݾհ
©2018 Wantedly, Inc. Nao Minami / @south37, @minami7o Infrastructure engineer
@ Wantedly, Inc.
©2018 Wantedly, Inc. .FHVSPSCͬͯ·͢ʂ
©2018 Wantedly, Inc.
©2018 Wantedly, Inc. ࠇۙลɻɻɻʁʁʁ
©2018 Wantedly, Inc. ҆͝৺͍ͩ͘͞ʂ
©2018 Wantedly, Inc. ࠇ֓೦ʂ
©2018 Wantedly, Inc. w ࠇӺ۠ʢʁʣ w .FHVSPSCനۚɾޒా Ͱ։࠵ʢʁʣ
©2018 Wantedly, Inc. ࠇʹڥքແ͍ʂ
©2018 Wantedly, Inc. ໌ޙΞΧπΩ͞ΜΦϑΟεͰ ։࠵ͳͷͰੋඇ͝ࢀՃ͍ͩ͘͞ʂ
©2018 Wantedly, Inc.
©2018 Wantedly, Inc. DPOOQBTTͰNFHVSPSCͰݕࡧʂ
©2018 Wantedly, Inc. എܠ ZBSETUFFQͷ͝հ ·ͱΊ ࠓ͢༰
©2018 Wantedly, Inc. ಥવͰ͕͢ɻɻɻ
©2018 Wantedly, Inc.
©2018 Wantedly, Inc. 3VCZ,JHJ ྑ͔ͬͨͰ͢Ͷʂ
©2018 Wantedly, Inc. ৭ʑͳτʔΫ͕͋Γ·͕ͨ͠ɺ 4UFFQͱ͍͏ʮ੩తܕ͚πʔϧʯ͕ ҹʹΓ·ͨ͠
©2018 Wantedly, Inc.
©2018 Wantedly, Inc. 4UFFQͱ w 3VCZʹରͯ͠੩తܕ͚͕ग़དྷΔπʔϧ w ܕఆٛϑΝΠϧͱ3VCZίʔυ͔ΒɺܕݕࠪΛߦ͏ w ܕఆٛϑΝΠϧಠࣗจ๏
w 3VCZʹࣅ͍ͯΔ͕ɺܕΛද͢ઐ༻ه๏͕͋Δ
©2018 Wantedly, Inc. 4UFFQͷܕఆٛϑΝΠϧ class Person @name: String @contacts: Array<Email
| Phone> def initialize: (name: String) -> any def name: -> String def contacts: -> Array<Email | Phone> def guess_country: -> (String | nil) end
©2018 Wantedly, Inc. 4UFFQͷ1SPT$POT w 1SPT w 3VCZͰ੩తܕݕ͕ࠪग़དྷΔʂιϑτΣΞ։ൃͷॿ͚ʹͳͬͯ͘ΕΔʂ w $POT
w ܕఆٛϑΝΠϧͷઐ༻จ๏Λ֮͑Δඞཁ͕͋Δ w ܕఆٛϑΝΠϧΛ͔Βॻ͘ͷ͕େมʂ w ATUFFQTDB⒎PMEAίϚϯυ͕ॿ͚ʹͳͬͯ͘ΕΔ͕ɻɻɻ
©2018 Wantedly, Inc. Կ͔ྑ͍ํ๏ແ͍͔ʁ
©2018 Wantedly, Inc. 3VCZͰܕͱ͍͑:"3%ʜ :"3%ͰܕνΣοΫΛߦ͑ྑ͍ͷʁ
©2018 Wantedly, Inc. ͱ͍͏͜ͱͰɺ πʔϧΛ࡞ͬͯΈͨ
©2018 Wantedly, Inc.
©2018 Wantedly, Inc.
©2018 Wantedly, Inc. ZBSETUFFQ
©2018 Wantedly, Inc. എܠ ZBSETUFFQͷ͝հ ·ͱΊ ࠓ͢༰
©2018 Wantedly, Inc. ZBSETUFFQͱ w 3VCZϓϩάϥϜதͷ:"3%Ξϊʔςʔγϣϯ ͔Βɺ4UFFQͷܕఆٛϑΝΠϧΛࣗಈੜ w 4UFFQͱΈ߹ΘͤΔࣄͰɺ:"3%Ͱ੩తܕݕ ࠪΛ࣮ݱʂ
©2018 Wantedly, Inc. %&.0
©2018 Wantedly, Inc. 3VCZίʔυΛ༻ҙ͢Δ # lib/parser.rb class AST # @return
[String] def to_s "AST" end # @param [Hash] opt def traverse!(opt) end end class Parser # @param [String] text # @param [Hash] opt # @return [AST] def parse(text, opt) ast = AST.new ast.traverse!(opt) ast end end
©2018 Wantedly, Inc. ZBSETUFFQίϚϯυΛ࣮ߦ $ yard2steep lib ZBSETUFFQͰܕఆٛϑΝΠϧΛੜ # sig/parser.rbi
class AST def to_s: -> String def traverse!: (Hash<any, any>) -> any end class Parser def parse: (String, Hash<any, any>) -> AST end
©2018 Wantedly, Inc. TUFFQͰܕνΣοΫ $ steep check lib ܕݕ͕ࠪ௨ΕɺԿग़ྗ͞Εͳ͍
©2018 Wantedly, Inc. Ͱɺܕݕ͕ࣦࠪഊ͢ΔέʔεͲ͏ͩΖ͏ʁ
©2018 Wantedly, Inc. ܕݕࠪͰࣦഊͤͯ͞ΈΔ # lib/parser.rb class AST # @return
[String] def to_s "AST" end # @param [Hash] opt def traverse!(opt) end end class Parser # @param [String] text - # @param [Hash] opt + # @param [Hash, nil] opt # @return [AST] - def parse(text, opt) + def parse(text, opt: nil) ast = AST.new ast.traverse!(opt) ast end end
©2018 Wantedly, Inc. ܕݕࠪͰࣦഊͤͯ͞ΈΔ $ yard2steep lib && steep check
lib lib/parser.rb:18:18: ArgumentTypeMismatch: receiver=::AST, expected=::Hash<any, any>, actual=(::Hash<any, any> | nil) (opt) ZBSETUFFQͱTUFFQΛΈ߹ΘͤͯܕνΣοΫ ͪΌΜͱɺAOJMAνΣοΫ͍ͯ͠ͳ͍ίʔυͰΤϥʔ ͕ग़ͨʂ
©2018 Wantedly, Inc. :"3%Ͱ੩తܕݕ͕ࠪग़དྷͯΔʂ
©2018 Wantedly, Inc. ࠷ۙͷΞοϓσʔτ w ϦϦʔεޙϲ݄Ͱͬͨ͜ͱ w BUUS@SFBEFSͳͲɺ3VCZͷΈࠐΈͷNFUBQSPHSBNNJOHܥͷػೳΛTVQQPSU w 3VCZQBSTFSͷվળ
ࣗલ࣮3JQQFSϕʔεҠߦ w ఆͷܕ͚ w FUD w Γ͍ͨ͜ͱ w :"3%BOOPUBUJPOͷϦονͳه๏Λαϙʔτ w BUSS@XSJUFS BUUS@BDDFTTPSͳͲͷTVQQPSU
©2018 Wantedly, Inc. എܠ ZBSETUFFQͷ͝հ ·ͱΊ ࠓ͢༰
©2018 Wantedly, Inc. ·ͱΊ w :"3%Ͱ੩తܕݕ͕ࠪͰ͖ΔΑ͏ʹͳͬͨʂ w 4UFFQͱZBSETUFFQΛΈ߹ΘͤΔࣄͰ࣮ݱ w BOZܕ͕͋ΔͷͰɺগͣͭ͠ಋೖ͕Մೳ
w ͜Ε͔Βɺ3VCZͰ)BQQZ)BDLJOH͠Α͏ʂ