How is this case class match pattern working?

Question

I\'ve just seen this case class in the Scala actors package:

case class ! [a](ch: Channel[a], msg: a)

And in the JavaDoc it de

Answer 1

When doing pattern matching, the Scala compiler will interpret o1 c1 o2 the same as c1(o1, o2). That's why :: works inside pattern matches too.