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
400
mruby VM
matz
0
74
Contribute to Ruby (RubyKaigi 2022)
matz
0
220
Ruby after 25 years
matz
1
1.2k
What is software made of?
matz
0
630
Streem
matz
8
3.7k
world-of-languages.pdf
matz
8
1.3k
Ruby Everywhere
matz
11
120k
Other Decks in Programming
See All in Programming
統一感のある Go コードを生成 AI の力で手にいれる
otakakot
0
3k
ReadMoreTextView
fornewid
1
430
実はすごいスピードで進化しているCSS
hayato_yokoyama
0
120
Haskell でアルゴリズムを抽象化する / 関数型言語で競技プログラミング
naoya
17
4.6k
Prism.parseで 300本以上あるエンドポイントに 接続できる権限の一覧表を作ってみた
hatsu38
1
110
Using AI Tools Around Software Development
inouehi
0
1.2k
Rails産でないDBを Railsに引っ越すHACK - Omotesando.rb #110
lnit
1
160
実践ArchUnit ~実例による検証パターンの紹介~
ogiwarat
2
260
Beyond Portability: Live Migration for Evolving WebAssembly Workloads
chikuwait
0
370
DroidKnights 2025 - 다양한 스크롤 뷰에서의 영상 재생
gaeun5744
3
270
GoのWebAssembly活用パターン紹介
syumai
3
10k
型付きアクターモデルがもたらす分散シミュレーションの未来
piyo7
0
780
Featured
See All Featured
Building Better People: How to give real-time feedback that sticks.
wjessup
367
19k
Optimizing for Happiness
mojombo
379
70k
Sharpening the Axe: The Primacy of Toolmaking
bcantrill
43
2.4k
Automating Front-end Workflow
addyosmani
1370
200k
The Art of Programming - Codeland 2020
erikaheidi
54
13k
[RailsConf 2023] Rails as a piece of cake
palkan
55
5.6k
"I'm Feeling Lucky" - Building Great Search Experiences for Today's Users (#IAC19)
danielanewman
228
22k
I Don’t Have Time: Getting Over the Fear to Launch Your Podcast
jcasabona
32
2.3k
Improving Core Web Vitals using Speculation Rules API
sergeychernyshev
16
930
Exploring the Power of Turbo Streams & Action Cable | RailsConf2023
kevinliebholz
32
5.9k
Become a Pro
speakerdeck
PRO
28
5.4k
How GitHub (no longer) Works
holman
314
140k
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