How do you define a type for a function in Scala?

Question

I\'m hoping there is a way to define a type for a function in Scala.

For example, say I want a function that takes two Ints and returns a Boolean, I could define a f

Answer 1

trait Foo {
  type MyFunction = (Int,Int) => Boolean

  def checkInts(f: MyFunction)
  def checkInts(f: Option[MyFunction])
}