Function drop_logger

crates/core/src/database_logger.rs:718–723

(logger: Arc<DatabaseLogger>)

    }

    fn drop_logger(logger: Arc<DatabaseLogger>) {
        Arc::try_unwrap(logger)
            .map(drop)
            .map_err(drop)
            .expect("logger should be unique");
    }

    /// Test calling [DatabaseLogger::tail] with `Some(n)`.
    ///