A beleza das interfaces em Go

Transcript

1. A beleza das interfaces em Go
2. Paulo Casaretto @pcasaretto
3. Interface
4. Interfaces em Go
8. io.Reader io.Writer
9. io.Copy io.Reader io.Writer
10. Reader Example: GIF Decoder
11. os.File deblockingReader lzw.Reader
12. os.File | deblockingReader | lzw.Reader
13. os.File deblockingReader lzw.Reader io.Reader
14. Usando interfaces
19. Two relevant Go proverbs
20. THE BIGGER THE INTERFACE, THE WEAKER THE ABSTRACTION
21. interface{} says nothing
22. ProTip
23. • https://blog.golang.org/error-handling-and-go • https://blog.golang.org/errors-are-values • https://blog.golang.org/gif-decoder-exercise- in-go-interfaces • https://go-proverbs.github.io/ Resources
24. Thanks!
25. panic(“Thanks!”)