Code Examples for

Programming in Scala

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25 Annotations

  • 25.1 Why have annotations?
  • 25.2 Syntax of annotations
  • 25.3 Standard annotations
  • 25.4 Conclusion

    • 25.1 Why have annotations?

    25.2 Syntax of annotations

    
// In file annotations/Misc.scala

  @deprecated def bigMistake() = //...


    
// In file annotations/Misc.scala

  @deprecated class QuickAndDirty {
    //...
  }


    
// In file annotations/Misc.scala

  (e: @unchecked) match {
    // non-exhaustive cases...
  }


    
  @cool val normal = "Hello"
  @coolerThan(normal) val fonzy = "Heeyyy"

    25.3 Standard annotations

    
  @deprecated def bigMistake() =  //...

    25.4 Conclusion

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