Initial data commit

Task/Singly-linked-list-Element-insertion/E/singly-linked-list-element-insertion.e

@@ -0,0 +1,18 @@
+def insertAfter(head :LinkedList ? (!head.null()),
+                new  :LinkedList ? (new.next().null())) {
+    new.setNext(head.next())
+    head.setNext(new)
+}
+
+def a := makeLink(1, empty)
+def b := makeLink(2, empty)
+def c := makeLink(3, empty)
+
+insertAfter(a, b)
+insertAfter(a, c)
+
+var x := a
+while (!x.null()) {
+    println(x.value())
+    x := x.next()
+}