dart: scope and lexical scope

Signed-off-by: Ayush Dubey <[email protected]>

Author: Ayushd70

dart/scope.dart

@@ -0,0 +1,21 @@
+main(List<string> args) {
+
+  fooOuter() {
+
+    print("Hello from foo outer !");
+
+    fooInner() {
+
+      print("Hello from foo !");
+
+      fooOuter();
+
+    }
+
+  }
+
+  fooOuter();
+
+  fooInner();
+
+}