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

EnumerableをRubyで再実装してみた

Masafumi Okura
April 12, 2019
Programming
0
1.1k

 EnumerableをRubyで再実装してみた

Masafumi Okura

April 12, 2019
Tweet

More Decks by Masafumi Okura

See All by Masafumi Okura
Why did my proposals get rejected?
okuramasafumi
1
440
A suggestion for the future of RDoc
okuramasafumi
1
66
15 JSON serializers for Ruby
okuramasafumi
2
110
Tech Events, Should We See Them from the Outside or the Inside?
okuramasafumi
1
39
Creating gems 101
okuramasafumi
1
82
How NOT to make your DSL terrible
okuramasafumi
0
280
オブジェクトしこう
okuramasafumi
2
210
Debugging Alba
okuramasafumi
1
190
Learning Ruby
okuramasafumi
5
560

Other Decks in Programming

See All in Programming
Remix on Hono on Cloudflare Workers
yusukebe
1
290
シェーダーで魅せるMapLibreの動的ラスタータイル
satoshi7190
1
480
Pinia Colada が実現するスマートな非同期処理
naokihaba
4
220
役立つログに取り組もう
irof
28
9.6k
エンジニアとして関わる要件と仕様(公開用)
murabayashi
0
290
Jakarta EE meets AI
ivargrimstad
0
160
Generative AI Use Cases JP (略称:GenU)奮闘記
hideg
1
290
Compose 1.7のTextFieldはPOBox Plusで日本語変換できない
tomoya0x00
0
190
Amazon Qを使ってIaCを触ろう！
maruto
0
400
3rd party scriptでもReactを使いたい！ Preact + Reactのハイブリッド開発
righttouch
PRO
1
600
PHP でアセンブリ言語のように書く技術
memory1994
PRO
1
170
CSC509 Lecture 11
javiergs
PRO
0
180

Featured

See All Featured
Ruby is Unlike a Banana
tanoku
97
11k
Embracing the Ebb and Flow
colly
84
4.5k
Keith and Marios Guide to Fast Websites
keithpitt
409
22k
4 Signs Your Business is Dying
shpigford
180
21k
Building Flexible Design Systems
yeseniaperezcruz
327
38k
Dealing with People You Can't Stand - Big Design 2015
cassininazir
364
24k
Measuring & Analyzing Core Web Vitals
bluesmoon
4
120
No one is an island. Learnings from fostering a developers community.
thoeni
19
3k
Imperfection Machines: The Place of Print at Facebook
scottboms
265
13k
A Philosophy of Restraint
colly
203
16k
GraphQLとの向き合い方2022年版
quramy
43
13k
How to train your dragon (web standard)
notwaldorf
88
5.7k

Transcript

  1. RejectKaigi2019 LT EnumerableΛRubyͰ࠶࣮૷ͯ͠Έͨ େ૔խ࢙ʢ@okuramasafumiʣ 2019-04-12, Pixiv

  2. EnumerableΛRubyͰ࠶࣮૷ ͯ͠Կ͕͏Ε͍͠ͷʁ

  3. ͕͜͜͏Ε͍͠ʂ • ීஈ࢖Θͳ͍๨Ε͍ͯͨϝιουΛ֮͑Δ • RubyͷදݱྗʹվΊͯײँ͢Δ • eachͱblockͷ࢖͍ํʹशख़Ͱ͖Δ

  4. Pro tip: RubiniusͰ౴͑߹Θͤ

  5. Rubunius͸ศར • Rubinius͸CRubyͱ͸ผͷॲཧܥ • ΄ͱΜͲͷίʔυ͕RubyͰ࣮૷͞Ε͍ͯΔ • CRubyͩͱCݴޠͰ࣮૷͞Ε͍ͯΔEnumerable΋RubyͰॻ͔Ε͍ͯΔͷ Ͱɺ٧·ͬͨΒͪ͜ΒΛݟΔͱΑ͍

  6. ૣ଎΍ͬͯΈΑ͏ʂ

  7. ࠷ޙʹɿ ͜Μͳײ͡ͷ͜ͱΛ ίϛϡχςΟͰ΍Γ͍ͨ

  8. Grow.rb • ઌ೔ୈ0ճΛ։࠵ • ϋϯζΦϯͬΆ͍ελΠϧͰEnumerableΛΈΜͳͰ࠶࣮૷ • ͍Ζ͍Ζ࠶࣮૷ͯ͠ΈͨΓ࣮ݧͯ͠ΈͨΓͯ͠Rubyͷ஌ࣝΛਂΊ͍͖ͯͨ ͍ • https://growrb.connpass.com/

  9. ࣍͸Grow.rbͰ ͓ձ͍͠·͠ΐ͏ʂ