TypeClass in Scala

Example.scala

/*
 * Copyright (c) 2001, 2014, Object Innovation, Inc. All Rights Reserved.
 *
 * This software is published under the terms of the Object Innovation License
 * version 1.1, a copy of which has been included with this distribution in the
 * LICENSE.TXT file. Learn more at http://www.bridgegatetei.com
 */

package com.oidev.bridgegate

/**
 * Created by bcarlson on 5/15/14.
 */
object Example {
  def wiggle[A](a: A): String = ???

  trait Show[A] {
    def show(a: A): String
  }

  def wobble[A : Show](a: A): String =
    implicitly[Show[A]].show(a)

  implicit object IntShow extends Show[Int] {
    def show(a: Int): String = s"Integer: ${a.toString}"
  }

  wobble(3)
}