// Copyright (c) 2021 Xu Shaohua <shaohua@biofan.org>. All rights reserved.
// Use of this source is governed by Affero General Public License that can be found
// in the LICENSE file.
//! Interface for auth app database backend.
usecrate::error::Error;pubtraitDbAuth{/// Check whether (username, password) is matched in database records.
////// # Errors
////// Returns error if failed to access to database.
fnis_match(&self, username:&str, password:&[u8])->Result<bool, Error>;}