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

Tales of a rewrite

Sponsored · Ship Features Fearlessly Turn features on and off without deploys. Used by thousands of Ruby developers. →
Avatar for Keith Smiley Keith Smiley
October 30, 2015
Technology
0
770

Tales of a rewrite

The story of Lyft rewriting our app from scratch in Swift.

Avatar for Keith Smiley

Keith Smiley

October 30, 2015
Tweet

More Decks by Keith Smiley

See All by Keith Smiley
Rust meets Mobile
Avatar for Keith Smiley smileykeith
0
420
Lyft iOS tooling infrastructure summary 2022
Avatar for Keith Smiley smileykeith
0
440
Postmortem for switching Lyft's iOS app to Bazel
Avatar for Keith Smiley smileykeith
4
1.7k
Lyft iOS tooling infrastructure summary 2019
Avatar for Keith Smiley smileykeith
2
1.6k
An alternative approach to building & shipping Swift apps
Avatar for Keith Smiley smileykeith
5
1.4k
Embrace Immutability
Avatar for Keith Smiley smileykeith
0
9.6k
Swift Thinking
Avatar for Keith Smiley smileykeith
0
12k

Other Decks in Technology

See All in Technology
習慣とAIと環境 — 技術探求を続ける3つの鍵
Avatar for azukiazusa azukiazusa1
3
800
Lambda Durable FunctionsでStep Functionsの代わりはできるのかを試してみた
Avatar for Makky12 smt7174
2
150
持続可能な開発のためのミニマリズム
Avatar for SansanTech sansantech
PRO
4
590
2人で作ったAIダッシュボードが、開発組織の次の一手を照らした話― Cursor × SpecKit × 可視化の実践 ―　Qiita AI Summit
Avatar for NOBORU ITOU noalisaai
0
160
【NGK2026S】日本株のシステムトレードに入門してみた
Avatar for 高橋かずひと kazuhitotakahashi
0
190
メルカリのAI活用を支えるAIセキュリティ
Avatar for さうす s3h
7
5k
Vitest Highlights in Angular
Avatar for Rainer Hahnekamp rainerhahnekamp
0
110
ファシリテーション勉強中 その場に何が求められるかを考えるようになるまで / 20260123 Naoki Takahashi
Avatar for SHIFT EVOLVE shift_evolve
PRO
3
400
EventBridge API Destination × AgentCore Runtimeで実現するLambdaレスなイベント駆動エージェント
Avatar for Har1101 har1101
7
270
【northernforce#54】SalesforceにおけるAgentforceの位置づけ・事例紹介
Avatar for YutoSato yutosatou_kit
0
130
Claude Codeベストプラクティスまとめ
Avatar for みのるん minorun365
50
28k
Amazon Bedrock AgentCore 認証・認可入門
Avatar for iganin hironobuiga
1
340

Featured

See All Featured
The SEO identity crisis: Don't let AI make you average
Avatar for Varn varn
0
57
Lessons Learnt from Crawling 1000+ Websites
Avatar for Charles Meaden charlesmeaden
PRO
1
1k
Mozcon NYC 2025: Stop Losing SEO Traffic
Avatar for Sam Torres samtorres
0
130
The Myth of the Modular Monolith - Day 2 Keynote - Rails World 2024
Avatar for Eileen M. Uchitelle eileencodes
26
3.3k
"I'm Feeling Lucky" - Building Great Search Experiences for Today's Users (#IAC19)
Avatar for Dan Newman danielanewman
231
22k
Unlocking the hidden potential of vector embeddings in international SEO
Avatar for Frank van Dijk frankvandijk
0
160
Getting science done with accelerated Python computing platforms
Avatar for Jacob Tomlinson jacobtomlinson
1
100
Leading Effective Engineering Teams in the AI Era
Avatar for Addy Osmani addyosmani
9
1.5k
Fashionably flexible responsive web design (full day workshop)
Avatar for Andy Clarke malarkey
408
66k
The Art of Programming - Codeland 2020
Avatar for Erika Heidi erikaheidi
57
14k
Design of three-dimensional binary manipulators for pick-and-place task avoiding obstacles (IECON2024)
Avatar for konakalab konakalab
0
340
We Are The Robots
Avatar for Honza Javorek honzajavorek
0
140

Transcript

  1. TALES OF A REWRITE

  2. None

  3. WHY REWRITE?

  4. LET'S REFACTOR INSTEAD

  5. None

  6. RETHINK THE PROBLEM

  7. None

  8. STARTING THE REWRITE

  9. TECHNICAL CHALLENGES

  10. None
  11. None

  12. SCHRÖDINGER'S CAT NIL

  13. None
  14. None
  15. None
  16. None
  17. None
  18. None
  19. None

  20. RAMPING UP

  21. None
  22. None

  23. EASING IN THE TEAM

  24. None

  25. SHIP IT

  26. NEW CODEBASE, NEW RULES

  27. None

  28. SWIFTLINT

  29. GITIQUETTE

  30. !!

  31. WHAT COULD HAVE GONE BETTER?

  32. None
  33. None
  34. None
  35. None

  36. WAS IT WORTH IT?

  37. QUESTIONS