Creating a CL to demonstrate the use of the package:meta/meta.dart package.

samples/meta/meta_sample.dart

Index: samples/meta/meta_sample.dart
===================================================================
--- samples/meta/meta_sample.dart	(revision 0)
+++ samples/meta/meta_sample.dart	(revision 0)
@@ -0,0 +1,33 @@
+
+#import("package:meta/meta.dart");
+
+
+// The Editor will display calls to imDeprecated() in strikeout.
+@deprecated
+void imDeprecated() {
+  print("I'm deprecated!");
+}
+
+
+abstract class Animal {
+  int legCount();
+}
+
+
+class Dog extends Animal {
+  @override
+  int legCount() => 4;
+
+  // The Editor will warn about this, as no parent method is overridden.
+  @override
+  void bark() => print("bark!");
+}
+
+
+void main() {
+  imDeprecated();
+
+  Dog dog = new Dog();
+
+  dog.bark();
+}