av-elier/Functional-if-reimplementation.scala

## Functional-if-reimplementation.scala

def `if`[T](cond: Boolean) = {
  class Then(cond: Boolean, t: => T) {
    def `else`(elseF: => T): T= if (!cond) elseF else t
  }
  def `then`(thenF: => T) = new Then(cond, thenF)
  `then` _
}


`if` (2*2 == 4) {
  println("then")
} `else` {
  println("else")
}

	def `if`[T](cond: Boolean) = {
	class Then(cond: Boolean, t: => T) {
	def `else`(elseF: => T): T= if (!cond) elseF else t
	}
	def `then`(thenF: => T) = new Then(cond, thenF)
	`then` _
	}


	`if` (2*2 == 4) {
	println("then")
	} `else` {
	println("else")
	}