error[E0597]: `db` does not live long enough --> $DIR/snapshot_outlive_db.rs:6:9 | 4 | let _snapshot = { | --------- borrow later stored here 5 | let db = DB::open_default("foo").unwrap(); 6 | db.snapshot() | ^^ borrowed value does not live long enough 7 | }; | - `db` dropped here while still borrowed