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

The Taming of the Deftype

Avatar for Baishampayan Ghose Baishampayan Ghose
May 11, 2012
Programming
2
160

The Taming of the Deftype

Slides from a talk I presented at Clojure/West 2012, San Jose, CA.

Avatar for Baishampayan Ghose

Baishampayan Ghose

May 11, 2012
Tweet

More Decks by Baishampayan Ghose

See All by Baishampayan Ghose
The Revenge of the Pragmatists
Avatar for Baishampayan Ghose bg
0
260
The Postmodern Programmer
Avatar for Baishampayan Ghose bg
0
99
The Roots of Go
Avatar for Baishampayan Ghose bg
1
1.7k
On Solving Problems
Avatar for Baishampayan Ghose bg
0
140

Other Decks in Programming

See All in Programming
Microsoft Orleans, Daprのアクターモデルを使い効率的に開発、デプロイを行うためのSekibanの試行錯誤 / Sekiban: Exploring Efficient Development and Deployment with Microsoft Orleans and Dapr Actor Models
Avatar for Tomohisa Takaoka tomohisa
0
220
サーバーサイドのビルド時間87倍高速化
Avatar for PLAID Tech plaidtech
PRO
0
670
OSS開発者という働き方
Avatar for ANDPAD inc andpad
5
1.4k
Oracle Database Technology Night 92 Database Connection control FAN-AC
Avatar for oracle4engineer oracle4engineer
PRO
1
310
UbieのAIパートナーを支えるコンテキストエンジニアリング実践
Avatar for Ryo Okubo syucream
2
770
私の後悔をAWS DMSで解決した話
Avatar for 平目 hiramax
4
170
デザインシステムが必須の時代に
Avatar for Yosuke Furukawa yosuke_furukawa
PRO
2
130
開発チーム・開発組織の設計改善スキルの向上
Avatar for 増田 亨 masuda220
PRO
17
9.2k
RDoc meets YARD
Avatar for Masafumi Okura okuramasafumi
4
160
詳解！defer panic recover のしくみ / Understanding defer, panic, and recover
Avatar for convto convto
0
190
Nuances on Kubernetes - RubyConf Taiwan 2025
Avatar for Andrey Novikov envek
0
210
AHC051解法紹介
Avatar for eijirou eijirou
0
640

Featured

See All Featured
I Don’t Have Time: Getting Over the Fear to Launch Your Podcast
Avatar for Joe Casabona jcasabona
33
2.4k
Practical Orchestrator
Avatar for Shlomi Noach shlominoach
190
11k
GraphQLとの向き合い方2022年版
Avatar for Yosuke Kurami quramy
49
14k
個人開発の失敗を避けるイケてる考え方 / tips for indie hackers
Avatar for panda_program panda_program
110
20k
実際に使うSQLの書き方 徹底解説 / pgcon21j-tutorial
Avatar for soudai sone soudai
PRO
185
54k
Product Roadmaps are Hard
Avatar for C. Todd Lombardo iamctodd
PRO
54
11k
Side Projects
Avatar for Sacha Greif sachag
455
43k
[RailsConf 2023 Opening Keynote] The Magic of Rails
Avatar for Eileen M. Uchitelle eileencodes
30
9.6k
Become a Pro
Avatar for Speaker Deck speakerdeck
PRO
29
5.5k
RailsConf & Balkan Ruby 2019: The Past, Present, and Future of Rails at GitHub
Avatar for Eileen M. Uchitelle eileencodes
139
34k
The Success of Rails: Ensuring Growth for the Next 100 Years
Avatar for Eileen M. Uchitelle eileencodes
46
7.6k
Dealing with People You Can't Stand - Big Design 2015
Avatar for Cassini Nazir cassininazir
367
27k

Transcript

  1. deftype the taming of the Baishampayan “BG” Ghose @ghoseb Clojure/West

    2012 Friday 16 March 12

  2. @ghoseb helpshift.com Friday 16 March 12

  3. @ghoseb helpshift.com I caught a dead mouse in the office

    the other day Friday 16 March 12

  4. MOTIVATION Friday 16 March 12

  5. Friday 16 March 12

  6. Friday 16 March 12

  7. Maps Friday 16 March 12

  8. Records Friday 16 March 12

  9. Types Friday 16 March 12

  10. TO SUMMARIZE Friday 16 March 12

  11. deftype Performance Collection Abstractions Named Type Mutable Fields Full Control

    Friday 16 March 12

  12. defrecord Performance Collection Abstractions Named Type HashMap Semantics * Friday

    16 March 12

  13. maps Every other use-case Friday 16 March 12

  14. IN SHORT Friday 16 March 12

  15. Use Maps! Friday 16 March 12

  16. Dive into deftype Friday 16 March 12

  17. Use the source, Luke! Friday 16 March 12

  18. IPersistentMap Seqable Associative IPersistentCollection ILookup Counted IFn IPersistentSet IObj Object

    IMeta IPersistentStack Indexed IPersistentVector Friday 16 March 12

  19. IPersistentMap Seqable Associative IPersistentCollection ILookup Counted IFn IPersistentSet IObj Object

    IMeta IPersistentStack Indexed IPersistentVector Friday 16 March 12

  20. Friday 16 March 12

  21. Scaffold Friday 16 March 12

  22. ‘scaffold’ by Christophe Grand Friday 16 March 12

  23. } Interface we want Ancestor interface Method sigs. . .

    . . . . . Friday 16 March 12

  24. bit.ly/clj-scaffold steal this code! Friday 16 March 12

  25. A Note About IFn Holy arities, Batman! Friday 16 March

    12

  26. A Note About IFn Should implement all to avoid non-helpful

    exception. Friday 16 March 12

  27. MUTABLE TYPES Friday 16 March 12

  28. ^:volatile-mutable ^:unsynchronized-mutable atomic reads & writes a ‘vanilla’ Java mutable

    field Friday 16 March 12

  29. Friday 16 March 12

  30. Printing Friday 16 March 12

  31. clojure.core/print-method for humans Friday 16 March 12

  32. clojure.core/print-dup for the reader Friday 16 March 12

  33. #mylib.core.MyType[1,2,3] Object Literal Reader Syntax Friday 16 March 12

  34. Factory Functions Friday 16 March 12

  35. Hide Implementation Details Avoid Importing Java Classes Friday 16 March

    12

  36. (my-type :foo :bar) (import myns.MyType) (MyType. [:foo :bar]) vs. Friday

    16 March 12

  37. AN EXAMPLE IMPLEMENTATION (a weekend hack) Friday 16 March 12

  38. bit.ly/clj-chainmap steal this code! Friday 16 March 12

  39. Fin Friday 16 March 12

  40. Friday 16 March 12