“call-cc” patterns in Scala?

I found a good article, about call with current continuation patterns. As I understand, they use Scheme and undelimited continuations. Can the patterns from the article be implemented in Scala? Is …

Why is Option not Traversable?

Is there any rational for Option not being Traversable?

In Scala 2.9, Seq(Set(1,3,2),Seq(4),Option(5)).flatten doesn’t compile and simply having it to implement the Traversable trait seams rational …

How to get min by value only in Scala Map

I have a map that has SomeClass -> Double I want to get the SomeClass associated with the smallest value. How do I go about doing this? Ties do not matter and can be broken arbitrarily if that is …