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A beleza das interfaces em Go

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Avatar for pcasarettto pcasarettto
July 09, 2016
Programming
320
2

A beleza das interfaces em Go

Avatar for pcasarettto

pcasarettto

July 09, 2016

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Transcript

  1. A beleza das interfaces em Go

  2. Paulo Casaretto @pcasaretto

  3. Interface

  4. Interfaces em Go

  5. None
  6. None
  7. None

  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

  15. None
  16. None
  17. None
  18. None

  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!”)

  26. None
  27. None
  28. None