Pratical eff

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Eric Torreborre

How we use the Eff monad at Zalando in addition to a components strategy using github.com/zalando/grafter

Technologie

Eric Torreborre
Practical
Eff monad
Doing it for real

Articleservice
Zeos
products
business-partners
stocks
59.95 €
10 items

Reader
Eval
Async
State
ThrowableEither
Writer

HttpServer
Routes
Services
Clients
flowId
flowId
flowId
flowId

1 error style per layer
Translation between layers

Make price request
request
[PriceRequest]
[PriceRequest]
response
Interpret request
[PriceRequest, Async]
[Async]

Get status
status
[Eval]
now?
[Eval]
now

Get status
status
[Eval]
now?
[Eval]
now FreezedTime

Get status
status
[Eval, Timed]
runFreezedTime(status)
[Eval]

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Pratical eff

1. Eric Torreborre Practical Eff monad Doing it for real

4. About Zalando

5. Brand solutions

6. Article service

7. Articleservice Zeos products business-partners stocks 59.95 € 10 items

8. How to deal?

9. Components!

10.

11. DI?

12. Cake?

13. Guice?

14. Spring?

15. Radical

16. Constructor injection!

17.

18.

19. Grafter

20.

21.

22.

23. HttpServer Routes Services Clients

24.

25. PriceHttpService PriceHttp4sService

26.

27. Always one default

28. In a library?

29.

30. reader all the way down!

31. Unit testing?

32. Integration testing?

33. HttpServer Routes Services Clients

34. HttpServer Routes Services Clients

35. Tree rewriting!

36. Kiama

37.

38.

39. Singleton?

40. HttpServer Routes Services Clients

41. HttpServer Routes Services Clients

42.

43. Stay lazy!

44.

45. Start order?

46.

47.

48. lazy reader rewrite start

49. Eff please!

50.

51.

52.

53.

54. Out of the box

55.

56. Reader Eval Async State ThrowableEither Writer

57. Article service

58. FlowId

59. HttpServer Routes Services Clients flowId flowId flowId flowId

60.

61. Logged

62.

63.

64.

65.

66. Applicative

67. Concurrent execution

68. MasterData PriceService Inventory

69.

70.

71. Async

72.

73. Eff in Eff!

74. Future Monix

75. No applicative for-comprehension

76. FlowId Logged Async Eval

77. Mitsaeks we made

78. Errors

79. 3 possibilities

80. 1 error style per layer Translation between layers

81. HttpServer Routes Services Clients

82. Client level

87. Everything is a (Free) DSL?

88.

89. Make price request request [PriceRequest] [PriceRequest] response Interpret request [PriceRequest, Async] [Async]

90.

91. Get price price [Async] [Async]

92.

93. Time: effect or component?

94. Get status status [Eval] now? [Eval] now

95. Get status status [Eval] now? [Eval] now FreezedTime

96. Get status status [Eval, Timed] runFreezedTime(status) [Eval]

97. Recap

98.

99.

100.

101. More Applicative Goodies!

102. Batching

103. Translation client Inventory

104. Translation client Inventory

105.

106.

107.

108.

109. Audited

110.

111.

112. Logs Database Event Bus

113.

114.

115. Rate limiting

116.

117.

118.

119. Create Intercept Interpret

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