Initial

examples/src/Stack.jetl

@@ -0,0 +1,13 @@
+sealed class Stack<T> : IPushPop<T> {
+  private val data = new ArrayList<T>();
+
+  override fun push(item : T) {
+    data.add(item) // Problem: I would like to write push(...) = data.add(...), but the types do not match
+  }
+
+  override fun pop() = data.removeLast()
+
+  override val isEmpty { // TODO: This is UGLY :(
+    get() = data.isEmpty
+  }
+}