diff --git a/anki.d b/anki.d
index d827e22..b341390 100755
Binary files a/anki.d and b/anki.d differ
diff --git a/db.go b/db.go
new file mode 100644
index 0000000..e9ee970
--- /dev/null
+++ b/db.go
@@ -0,0 +1,16 @@
+package main
+
+type (
+	db struct {
+		Knowledge Knowledge
+		Users     map[string]User
+		Cadence   []Duration
+	}
+	Knowledge struct {
+		Questions map[string]Question
+		Answers   map[string]Answer
+	}
+	User struct {
+		History map[string][]History
+	}
+)
diff --git a/main.go b/main.go
index c3e96ce..ea1b909 100644
--- a/main.go
+++ b/main.go
@@ -22,15 +22,6 @@ type (
 		Answer(string) Answer
 		PushAnswer(string, string, string, bool) error
 	}
-	db struct {
-		Knowledge Knowledge
-		Users     map[string]User
-		Cadence   []Duration
-	}
-	Knowledge struct {
-		Questions map[string]Question
-		Answers   map[string]Answer
-	}
 	Question struct {
 		Q    string
 		Tags []string
@@ -41,9 +32,6 @@ type (
 		TS     int64
 		Author string
 	}
-	User struct {
-		History map[string][]History
-	}
 	History struct {
 		A    string
 		TS   int64