--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/run/mini/interface3.d	Mon Jan 10 19:47:18 2011 +0100
@@ -0,0 +1,30 @@
+module interface3;
+
+extern(C) int printf(char*,...);
+
+interface I
+{
+    void func();
+}
+
+class C : I
+{
+    int i = 42;
+    override void func()
+    {
+        printf("hello %d from %p\n", i, this);
+        i++;
+    }
+}
+
+void main()
+{
+    auto c = new C;
+    {c.func();}
+    {
+        I i = c;
+        {i.func();}
+    }
+    {printf("final %d\n", c.i);}
+    {assert(c.i == 44);}
+}