June 2018 Update

Task/Singly-linked-list-Element-insertion/Scala/singly-linked-list-element-insertion.scala

@@ -1,6 +1,11 @@
-object Node {
-  def insert(a: Node, c: Node) = {
-    c.next = a.next
-    a.next = c
-  }
+/*
+Here is a basic list definition
+
+sealed trait List[+A]
+case class Cons[+A](head: A, tail: List[A]) extends List[A]
+case object Nil extends List[Nothing]
+*/
+
+object List {
+  def add[A](as: List[A], a: A): List[A] = Cons(a, as)
 }