Just a quick tip about gob.register

README.md

@@ -26,7 +26,18 @@ import (
 	"time"
 )
 
+func initapp() {
+	// be sure to register your custom types before calling .CacheFrom()
+	gob.Register(MyStruct)
+	gob.Register(MyStruct2)
+}
+
 func main() {
+
+	// only needed if you are loading to/from external storage
+	// with .Items() and .CacheFrom()
+	initapp()
+
 	// Create a cache with a default expiration time of 5 minutes, and which
 	// purges expired items every 10 minutes
 	c := cache.New(5*time.Minute, 10*time.Minute)