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Tags
#odersky-programming-in-scala-2ed #scala
Question
What does it mean to declare a trait which exends a class? 

trait Doubling extends IntQueue {
  // whatever
}
Answer
it means that the trait can only be mixed into a class that also extends IntQueue.

Tags
#odersky-programming-in-scala-2ed #scala
Question
What does it mean to declare a trait which exends a class? 

trait Doubling extends IntQueue {
  // whatever
}
Answer
?

Tags
#odersky-programming-in-scala-2ed #scala
Question
What does it mean to declare a trait which exends a class? 

trait Doubling extends IntQueue {
  // whatever
}
Answer
it means that the trait can only be mixed into a class that also extends IntQueue.
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Summary

statusnot learnedmeasured difficulty37% [default]last interval [days]               
repetition number in this series0memorised on               scheduled repetition               
scheduled repetition interval               last repetition or drill

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