string interpolation

stringinterpolation.scala

val st = "String Interpolation"           //> st  : String = String Interpolation
 	
// s
val s1 = "Lets try $st"                   //> s1  : String = Lets try $st
val s2 = s"Lets try $st"                  //> s2  : String = Lets try String Interpolation
val s3 = s"Also arbitrary expressions ${List(1,2,3,4,6) sum}"  //> s3  : String = Also arbitrary expressions 16

// f
val height = 1.9d                               //> height  : Double = 1.9
val name = "James"                              //> name  : String = James
val f1 = f"$name%s is $height%2.2f meters tall" //> f1  : String = James is 1.90 meters tall

// raw
val r1 = "avoid\tescaping characters"           //> r1  : String = avoid	escaping characters
val r2 = """avoid\tescaping characters"""       //> r2  : String = avoid\tescaping characters
val r3 = raw"avoid\tescaping characters"        //> r3  : String = avoid\tescaping characters