42tiny-js:

- added Lexer can now detect regular expression literals
  but using of regular expression are currently unsupported
- added function closure test "tests/42tests/test002.js"

tests/42tests/test002.js

@@ -0,0 +1,12 @@
+// function-closure
+
+var a = 40; // a global var
+
+function closure() {
+  var a = 39; // a local var;
+  return function() { return a; };
+}
+
+var b = closure(); // the local var a is now hidden
+
+result = b()+3 == 42 && a+2 == 42;