stew questions

stew answers

• Scala Extractor unapply called twice
• Scalaz: Convert ValidationNel of ValidationNel to ValidationNel
• How to compare two objects for equality in Scala?
• How can provide JsonFormats for case class that references itself?
• Specs2 "value in is not a member of String"
• Adding a custom logic to a Scala's constructor
• Inherit a Static Variable in Java
• Chaining Scalaz validation functions: Function1[A,Validation[E,B]]
• Why does following throw exception in Scala REPL?
• Why does Haskell's foldr NOT stackoverflow while the same Scala implementation does?