scala currying

object CurryingTest {

  def summary() {
  println("---summary start---")
  println("--- summary end ---")
  }
 
  def details() {
    println("---start usage start---")
  println("--- start usage end ---")
 
  println("---restart usage start---")
  println("--- restart usage end ---")
 
  println("---stop usage start---")
  println("--- stop usage end ---")
 
  println("---status usage start---")
  println("--- status usage end ---")
  }
 
  def usage[T](summary: => T)(details: => T): Unit = {
    println("---usage start---")
    summary
    println("-----------------")
   
    details
    println("--- usage end ---")
  }

  def main(args: Array[String]) {
  usage(summary())(details())
  }
}


>scalac -d classes  CurryingTest.scala

>scala CurryingTest

---usage start---
---summary start---
--- summary end ---
-----------------
---start usage start---
--- start usage end ---
---restart usage start---
--- restart usage end ---
---stop usage start---
--- stop usage end ---
---status usage start---
--- status usage end ---
--- usage end ---