Tutorial by Topics: actors

val extractor(extractedValue1, _ /* ignored second extracted value */) = valueToBeExtracted valueToBeExtracted match { case extractor(extractedValue1, _) => ???} val (tuple1, tuple2, tuple3) = tupleWith3Elements object Foo { def unapply(foo: Foo): Option[String] = Some(foo.x); }

factor(x = character(), levels, labels = levels, exclude = NA, ordered = is.ordered(x), nmax = NA) Run ?factor or see the documentation online. An object with class factor is a vector with a particular set of characteristics. It is stored internally as an integer vector. It maintains a...