// =============================================================================
// Copyright (c) 2026 Haixing Hu.
//
// SPDX-License-Identifier: Apache-2.0
//
// Licensed under the Apache License, Version 2.0.
// =============================================================================
//! Checksum algorithm model.
/// Checksum algorithm.
///
/// # Examples
///
/// ```rust
/// use qubit_fs::metadata::ChecksumAlgorithm;
///
/// assert!(matches!(ChecksumAlgorithm::Sha256, ChecksumAlgorithm::Sha256));
/// ```