ScalaImplicitExample.scala

package imp

/**
 * Created by jamesanto on 10/7/15.
 */
object imps {

  implicit val prefix: String = "Hello "
  //implicit val tt: String = "Text"

  implicit def doubleToInt(d: Double):Int = d.toInt

  implicit class RichString(s: String) {
    def hasVal = s != null && !s.trim.isEmpty
  }
}


object ImpTest {
  import imps._

  def printMe(name: String)(implicit prefix: String) = {
    println(prefix + name)
  }

  def main(args: Array[String]) {

    printMe("JJ")

    val a: Int = 10.5

    println(s" A = $a")

    val s1: String = null
    println(s1.hasVal)

    val s2 = " "
    println(s2.hasVal)

    val s3 = "fdaf"
    println(s3.hasVal)
  }
}