Initial data commit

Task/Singly-linked-list-Element-insertion/Fantom/singly-linked-list-element-insertion.fantom

@@ -0,0 +1,34 @@
+class Node
+{
+  const Int value
+  Node? successor // can be null, for end of series
+
+  new make (Int value, Node? successor := null)
+  {
+    this.value = value
+    this.successor = successor
+  }
+
+  // insert method for this problem
+  public Void insert (Node newNode)
+  {
+    newNode.successor = this.successor
+    this.successor = newNode
+  }
+}
+
+// simple class to test putting 'c' between 'a' and 'b'
+class Main
+{
+  public static Void main ()
+  {
+    c := Node (2)
+    b := Node (3)
+    a := Node (1, b)
+    a.insert (c)
+
+    echo (a.value)
+    echo (a.successor.value)
+    echo (a.successor.successor.value)
+  }
+}