Real-world Haskell: Good, Bad, & Ugly

on YouTube ↗57m

" summary

A Vacation Labs team describes their year-long experience adopting Haskell after extensive Rails and JavaScript work, aiming for safer refactoring, more effective testing, shared data structures, and maintained feature speed. They discuss the Haskell ecosystem’s practical strengths and weaknesses for real-world production code (34k lines), and note they use TypeScript rather than Haskell on the frontend.

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" chapters (23)

1. 0:00Intro
2. 0:21Haskell Joys & frustrations of putting 34,000 lines of Haskell into production
3. 4:20Vacation Labs Travel-Commerce Platform
4. 6:35Problems with Rails/JS Code
5. 10:12Haskell. First, the GOOD parts.
6. 13:28"Type-safe" : "JSON"
7. 15:47Big problems faced first-hand
8. 16:17Library ecosystem is effectively broken
9. 19:32Emails
10. 21:55Sendgrid library
11. 25:18DB libraries
12. 26:06Lack of established best-practices
13. 28:28Installing Haskell
14. 30:27Error handling
15. 32:43Error reporting
16. 38:42Absence of CallStacks can probably be fixed
17. 40:20Testing
18. 44:07Important caveat about memory usage
19. 44:46Recommendation: Editor tooling
20. 45:31Shout-out to HIE (Haskell IDE Engine)
21. 50:25DB Library. Dare I say ORM?
22. 51:49Associations?
23. 52:43Validations?

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