Data update

Task/Null-object/Chapel/null-object.chapel

@@ -1,3 +1,3 @@
 class C { };
-var c:C; // is nil
+var c : owned C?; // is nil
 writeln(if c == nil then "nil" else "something");

Task/Null-object/Langur/null-object.langur

@@ -1,9 +1,9 @@
-val .x, .y = true, null
+var x, y = true, null
 
-writeln .x == null
-writeln .y == null
-writeln .x ==? null
-writeln .y ==? null
+writeln x == null
+writeln y == null
+writeln x ==? null
+writeln y ==? null
 
 # null not a "truthy" result
 writeln if(null: 0; 1)

Task/Null-object/PascalABC.NET/null-object.pas

@@ -0,0 +1,6 @@
+begin
+  var a := new integer[](1,2,3);
+  if Random(2) = 0 then
+    a := nil;
+  Print(a);
+end.