need a way to interate

src/cmd/cron/main.go

@@ -28,7 +28,21 @@ func One(ctx context.Context) error {
 	if err != nil {
 		return err
 	}
-	_ = feeds
 
+	all, err := feeds.All(ctx)
+	if err != nil {
+		return err
+	}
+
+	for _, feed := range all {
+		if err := one(ctx, feed); err != nil {
+			return err
+		}
+	}
+
+	return nil
+}
+
+func one(ctx context.Context, feed feeds.Feed) error {
 	return io.EOF
 }