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
Ruby_through_Reserved_Words.pdf
Search
Yukihiro Matsumoto
July 02, 2019
Programming
0
120
Ruby_through_Reserved_Words.pdf
Yukihiro Matsumoto
July 02, 2019
Tweet
Share
More Decks by Yukihiro Matsumoto
See All by Yukihiro Matsumoto
30 Years of Ruby
matz
0
350
mruby VM
matz
0
63
Contribute to Ruby (RubyKaigi 2022)
matz
0
200
Ruby after 25 years
matz
1
1.1k
What is software made of?
matz
0
610
Streem
matz
8
3.6k
world-of-languages.pdf
matz
8
1.3k
Ruby Everywhere
matz
11
120k
Other Decks in Programming
See All in Programming
sappoRo.R #12 初心者セッション
kosugitti
0
260
法律の脱レガシーに学ぶフロントエンド刷新
oguemon
5
740
Domain-Driven Transformation
hschwentner
2
1.9k
昭和の職場からアジャイルの世界へ
kumagoro95
1
400
Amazon Q Developer Proで効率化するAPI開発入門
seike460
PRO
0
120
データの整合性を保つ非同期処理アーキテクチャパターン / Async Architecture Patterns
mokuo
53
18k
pylint custom ruleで始めるレビュー自動化
shogoujiie
0
130
『品質』という言葉が嫌いな理由
korimu
0
180
CI改善もDatadogとともに
taumu
0
170
パスキーのすべて ── 導入・UX設計・実装の紹介 / 20250213 パスキー開発者の集い
kuralab
3
830
Flutter × Firebase Genkit で加速する生成 AI アプリ開発
coborinai
0
160
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
Featured
See All Featured
Speed Design
sergeychernyshev
27
800
Understanding Cognitive Biases in Performance Measurement
bluesmoon
27
1.6k
The Language of Interfaces
destraynor
156
24k
Product Roadmaps are Hard
iamctodd
PRO
50
11k
Automating Front-end Workflow
addyosmani
1368
200k
VelocityConf: Rendering Performance Case Studies
addyosmani
328
24k
Refactoring Trust on Your Teams (GOTO; Chicago 2020)
rmw
33
2.8k
The Power of CSS Pseudo Elements
geoffreycrofte
75
5.5k
RailsConf 2023
tenderlove
29
1k
Visualizing Your Data: Incorporating Mongo into Loggly Infrastructure
mongodb
45
9.4k
Designing for humans not robots
tammielis
250
25k
Sharpening the Axe: The Primacy of Toolmaking
bcantrill
40
2k
Transcript
Powered by Rabbit 2.2.1 Ruby through Reserved Words Heroku Ruby
Association Yukihiro "Matz" Matsumoto まつもとゆきひろ @yukihiro_matz
Powered by Rabbit 2.2.1 Ruby has 41 reserved words
Powered by Rabbit 2.2.1 Each reflects (early) design decisions
Powered by Rabbit 2.2.1 The story behinds the words
Powered by Rabbit 2.2.1 begin/end
Powered by Rabbit 2.2.1 Comb Style Indentation
Powered by Rabbit 2.2.1 Inherited from Eiffel
Powered by Rabbit 2.2.1 along with rescue, ensure, retry
Powered by Rabbit 2.2.1 break/next/redo
Powered by Rabbit 2.2.1 not continue
Powered by Rabbit 2.2.1 From Perl (shorter)
Powered by Rabbit 2.2.1 class/def
Powered by Rabbit 2.2.1 From Python
Powered by Rabbit 2.2.1 module
Powered by Rabbit 2.2.1 Lisp (Flavors)
Powered by Rabbit 2.2.1 Mix-in
Powered by Rabbit 2.2.1 if/else/elsif
Powered by Rabbit 2.2.1 elsif
Powered by Rabbit 2.2.1 elseif, elif, elsif
Powered by Rabbit 2.2.1 The shortest pronounceable
Powered by Rabbit 2.2.1 then
Powered by Rabbit 2.2.1 The stop words
Powered by Rabbit 2.2.1 then and class methods
Powered by Rabbit 2.2.1 unless
Powered by Rabbit 2.2.1 From Perl
Powered by Rabbit 2.2.1 No elsif or elsunless
Powered by Rabbit 2.2.1 while
Powered by Rabbit 2.2.1 Simple loop
Powered by Rabbit 2.2.1 for/in
Powered by Rabbit 2.2.1 From Python?
Powered by Rabbit 2.2.1 until
Powered by Rabbit 2.2.1 From Perl
Powered by Rabbit 2.2.1 true/false/nil
Powered by Rabbit 2.2.1 Truthy and Falsy
Powered by Rabbit 2.2.1 Three value model
Powered by Rabbit 2.2.1 Inspired by Lisp
Powered by Rabbit 2.2.1 and/or/not
Powered by Rabbit 2.2.1 From Perl
Powered by Rabbit 2.2.1 Only for precedence
Powered by Rabbit 2.2.1 do/yield
Powered by Rabbit 2.2.1 The block
Powered by Rabbit 2.2.1 From CLU (1970s, MIT)
Powered by Rabbit 2.2.1 The biggest invention of Ruby
Powered by Rabbit 2.2.1 rescue/ensure/retry
Powered by Rabbit 2.2.1 Exception handling
Powered by Rabbit 2.2.1 Inspired by Eiffel
Powered by Rabbit 2.2.1 Icon (1970s, U of Arizona)
Powered by Rabbit 2.2.1 Success/Failure model
Powered by Rabbit 2.2.1 return
Powered by Rabbit 2.2.1 From C
Powered by Rabbit 2.2.1 Multiple values (Tuple)
Powered by Rabbit 2.2.1 self/super
Powered by Rabbit 2.2.1 Smalltalk
Powered by Rabbit 2.2.1 alias/undef
Powered by Rabbit 2.2.1 From Sather (1980s, UCB)
Powered by Rabbit 2.2.1 BEGIN/END
Powered by Rabbit 2.2.1 From Awk
Powered by Rabbit 2.2.1 Not recommendation anymore
Powered by Rabbit 2.2.1 __FILE__/__LINE__
Powered by Rabbit 2.2.1 From C (cpp)
Powered by Rabbit 2.2.1 __ENCODING__
Powered by Rabbit 2.2.1 From Ruby1.9 (encoding)
Powered by Rabbit 2.2.1 UCS vs CSI
Powered by Rabbit 2.2.1 Unicode
Powered by Rabbit 2.2.1 BDFL
Powered by Rabbit 2.2.1 Benevolent Dictator For Life
Powered by Rabbit 2.2.1 How to make decisions
Powered by Rabbit 2.2.1 Scope Background Motivation
Powered by Rabbit 2.2.1 Committee
Powered by Rabbit 2.2.1 Voting
Powered by Rabbit 2.2.1 A ship would climb a
mountain with many captains
Powered by Rabbit 2.2.1 too many cooks spoil the
broth