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
Objective-C Runtime Swizzle
Search
Wei Wang
November 20, 2014
Programming
0
230
Objective-C Runtime Swizzle
Wei Wang
November 20, 2014
Tweet
Share
More Decks by Wei Wang
See All by Wei Wang
網路之難,難於上青天 - iPlayground 2019
onevcat
11
5.4k
GMTC 2019 - 在分歧中发展,2019 我们能用 Swift 做什么
onevcat
0
1.2k
从 Swift 到机器学习
onevcat
2
1.1k
iOS Dev - The Dark Side
onevcat
0
160
面向协议编程与 Cocoa 的邂逅
onevcat
14
5k
Swift 3 - From Expert to Beginner
onevcat
2
270
如何打造一个让人愉快的框架
onevcat
4
22k
JSPatch Introduction
onevcat
0
220
Unity Memory
onevcat
0
160
Other Decks in Programming
See All in Programming
Agentic AI: Evolution oder Revolution
mobilelarson
PRO
0
190
Go 1.26でのsliceのメモリアロケーション最適化 / Go 1.26 リリースパーティ #go126party
mazrean
1
410
エンジニアの「手元の自動化」を加速するn8n 2026.02.27
symy2co
0
160
ベクトル検索のフィルタを用いた機械学習モデルとの統合 / python-meetup-fukuoka-06-vector-attr
monochromegane
2
470
AHC061解説
shun_pi
0
390
S3ストレージクラスの「見える」「ある」「使える」は全部違う ─ 体験から見た、仕様の深淵を覗く
ya_ma23
0
680
米国のサイバーセキュリティタイムラインと見る Goの暗号パッケージの進化
tomtwinkle
2
600
守る「だけ」の優しいEMを抜けて、 事業とチームを両方見る視点を身につけた話
maroon8021
3
1k
Claude Code の Skill で複雑な既存仕様をすっきり整理しよう
yuichirokato
1
400
Claude Code Skill入門
mayahoney
0
400
RAGでハマりがちな"Excelの罠"を、データの構造化で突破する
harumiweb
9
2.9k
Fundamentals of Software Engineering In the Age of AI
therealdanvega
2
260
Featured
See All Featured
Performance Is Good for Brains [We Love Speed 2024]
tammyeverts
12
1.5k
Keith and Marios Guide to Fast Websites
keithpitt
413
23k
Dealing with People You Can't Stand - Big Design 2015
cassininazir
367
27k
Leveraging Curiosity to Care for An Aging Population
cassininazir
1
190
Save Time (by Creating Custom Rails Generators)
garrettdimon
PRO
32
2.5k
Test your architecture with Archunit
thirion
1
2.2k
Exploring the Power of Turbo Streams & Action Cable | RailsConf2023
kevinliebholz
37
6.3k
Visualizing Your Data: Incorporating Mongo into Loggly Infrastructure
mongodb
49
9.9k
Impact Scores and Hybrid Strategies: The future of link building
tamaranovitovic
0
230
From π to Pie charts
rasagy
0
150
Balancing Empowerment & Direction
lara
5
950
YesSQL, Process and Tooling at Scale
rocio
174
15k
Transcript
0CKFDUJWF$3VOUJNF 4XJ[[MF࣮ફ Ԧቨ
ࣗݾհ w ઌ݄ೖ͔ࣾΓɺલຊདྷͨ w J04։ൃ͙Β͍ɻલ৬6OJUZ% w ࠓ-JOF"ET4%,ͷࣄΛ୲͍ͯ͠Δ w ࠷ۙ"OESPJEษڧத w
IUUQHJUIVCDPNPOFWDBU
Ͳ͏ͯ͠0CKFDUJWF$͕ੜ͖Δ ͔Βɺࠓ·Ͱࡀա͗ɻݴޠʹͷ͓دΓ
None
4NBMM5BML ϝοηʔδૹ৴ 4XJ[[MJOH ϝλݴޠ $ͱ$ ޓ "3$ "TTPDJBUFE 0CKFDU --7.$MBOH
($% ັྗతͳ ॊೈੑ
4XJ[[MJOH
.FUIPE$BMMJOH ClassName *object = [[ClassName alloc] init]; [object doItWithA:a]; objc_msgSend(object,
@selector(doItWithA:), a); %JTQBUDI5BCMF .FUIPE *.1 @selector(doIt) doIt @selector(doItWithA:) doItWithA: - (void)doIt { //... } - (void)doItWithA:(id)a { //... }
.FUIPE4XJ[[MJOH %JTQBUDI5BCMF .FUIPE *.1 @selector(doIt) doIt @selector(doItWithA:) doItWithA: @selector(alt_doItWithA:) alt_doItWithA:
- (void)doIt { //... } - (void)doItWithA:(id)a { //... } - (void)alt_doItWithA:(id)a { //... } EP*U8JUI"ͱBMU@EP*U8JUI"Λ4XJ[[MF͠·͢
.FUIPE4XJ[[MJOH %JTQBUDI5BCMF .FUIPE *.1 @selector(doIt) doIt @selector(doItWithA:) doItWithA: @selector(alt_doItWithA:) alt_doItWithA:
- (void)doIt { //... } - (void)doItWithA:(id)a { //... } - (void)alt_doItWithA:(id)a { //... } EP*U8JUI"ͱBMU@EP*U8JUI"Λ4XJ[[MF͠·͢
.FUIPE4XJ[[MJOH %JTQBUDI5BCMF .FUIPE *.1 @selector(doIt) doIt @selector(doItWithA:) doItWithA: @selector(alt_doItWithA:) alt_doItWithA:
- (void)doIt { //... } - (void)doItWithA:(id)a { //... } - (void)alt_doItWithA:(id)a { //... } *.1Λަ͠·͢
%FNP -JOF"ET4%,ΦϦΤϯςʔγϣϯ
αϚϦʔ w ΫϥεͷϝιουςʔϒϧΛॻ͖͑Δ w ڧྗͰ͋ΔͨΊཚ༻Λආ͚Δ͖ w ඞͣަલͷϝιʔυΛݺͼ·͢ w ΫϥεͷΧςΰϦʔͱ MPBE࿈ܞ͕Φεεϝ
'"2 NBJMXFJXBOH!MJOFDPSQDPN )JQ$IBUPOFWDBU %FNPDPEFIUUQTHJUIVCDPNPOFWDBU-BOETDBQF7JFX$POUSPMMFS%FNP