ruby_inject.scala

//playing around with ideas from http://nilanjan-braincasting.blogspot.com/2010/01/ruby-inject-in-scala.html

import collection.TraversableLike

implicit def traversableLike2HasInject[A, Repr](t:TraversableLike[A, Repr]) = new {
  def inject[B >: A](op:(B, A) => B):B = t.reduceLeft(op)
}

object &:+ extends ((Int, Int) => Int){
  override def apply(a:Int, b:Int) = a + b
}

implicit def int2RangePimpedInt(i:Int) = new {
  def `..` (num:Int) = i to num
  def `...` (num:Int) = i until num
}

(1`..`3).inject(&:+) //6
(1`...`3).inject(&:+) //3