Top Answers

1. Functional programming, Scala map and fold left
   265 votes
2. Is there any Scala feature that allows you to call a method whose name is stored in a string?
   39 votes
3. Use-cases for Streams in Scala
   19 votes
4. Where case classes should NOT be used in Scala?
   16 votes
5. Why do `Left` and `Right` have two type parameters?
   10 votes