Sequence Implementations
Arrays and Strings
Iterators and Views
View
Seq(1, 2, 3).map(_ * 2).map(_ + 4).map(_.toString)
// res: Seq[java.lang.String] = List(6, 8, 10)
val intermediate1 = Seq(1, 2, 3).map(_ * 2)
val intermediate2 = intermediate1.map(_ + 4)
val result = intermediate2.map(_.toString)
val view = Seq(1, 2, 3).view.map(_ * 2).map(_ + 4).map(_.toString)
// view: scala.collection.SeqView[java.lang.String,Seq[_]] = SeqViewMMM(...)
view.force
// res: Seq[java.lang.String] = List(6, 8, 10)
Java Interoperation
Mutable Sequences