diff --git a/examples/propa.myc b/examples/propa.myc
new file mode 100644
index 0000000..c672556
--- /dev/null
+++ b/examples/propa.myc
@@ -0,0 +1,11 @@
+
+(do
+  (def last (fn [s] (s 0)))
+
+  (def f (fn [n] n))
+
+  (def r (series 5))
+  (push r 4)
+
+  [(last f) (last r)]
+)