example/heartbeat: Show a time example
diff --git a/.gitignore b/.gitignore
index 5a7271a..11b0674 100644
--- a/.gitignore
+++ b/.gitignore
@@ -42,6 +42,7 @@
 
 # Output binaries
 /example/follow
+/example/heartbeat
 /test/clock
 /test/event
 /test/exception