2016 Update

Task/Null-object/Maple/null-object-1.maple

@@ -0,0 +1,7 @@
+a := NULL;
+                                                         a :=
+is (NULL = ());
+                                                         true
+if a = NULL then
+    print (NULL);
+end if;

Task/Null-object/Maple/null-object-2.maple

@@ -0,0 +1,12 @@
+b := Array([1, 2, 3, Integer(undefined), 5]);
+                                                        b := [ 1 2 3 undefined 5 ]
+numelems(b);
+                                                        5
+b := Array([1, 2, 3, Float(undefined), 5]);
+                                                        b := [ 1 2 3 Float(undefined) 5 ]
+numelems(b);
+                                                        5
+b := Array([1, 2, 3, NULL, 5]);
+                                                        b := [ 1 2 3 5 ]
+numelems(b);
+                                                        4