hutool-rust

Rust multi-purpose utility toolkit, 1:1 aligned with Apache Dubbo Hutool 5.8.46 API and behavior

Project Position · Features · Architecture · Quick Start · Features · Quality · Release · Contributing

Current version: 0.1.0 MSRV: Rust 1.94 Edition: 2024 Workspace Resolver: 3 Maturity: Experimental — most core crates 1:1 aligned with Hutool; cron/ai/extra/cache/json/aop/dfa/bloom-filter fully migrated Architecture: see docs/hutool-rust-Architecture.md Last verified: 2026-08-12

hutool-rust at most promises 1:1 API/behavior equivalence with upstream Hutool; no byte-for-byte binary compatibility with the Java implementation. All implementations use pure Rust std + mainstream Rust ecosystem, no FFI, and no unsafe code.

Template combination hint: This README is an integration of the Rust project master template with four profiles (Large Toolbox Workspace, Upstream Compatibility & Migration, Document & File Format Processing, Multilingual README Layout). README sections cross-reference each other and share unified numbering.

1. Project Position and Status

hutool-rust is a Rust multi-purpose utility toolkit aligned with Apache Hutool 5.8.46 API and usage conventions. It provides string, collection, crypto, database, HTTP, cache, scheduling, settings, and JSON capabilities. POI/Office APIs are excluded from implementation claims and exist only as placeholder inventory.

1.1 What It Is

hutool-rust is a Cargo workspace organized by Hutool module, where each hutool-* module corresponds to a hutool-* crate. All public API parameter types, return types, and behavior are aligned with the Hutool Java version.

Dimension	Content
Root crate	`hutool` (Facade, re-exports `hutool-*` sub-crates via features)
Current version	`0.1.0`
MSRV / Edition	`1.94` / `2024`
Default features	`core`, `json`
unsafe policy	`#![forbid(unsafe_code)]` enforced in every crate
Release status	Not released to crates.io (still experimental)
License	`Apache-2.0`

1.2 What It Is Not

Does not promise byte-for-byte binary compatibility with the Hutool Java version (Rust and Java crypto library implementations differ)
Does not mark PendingEngine stubs or Unsupported-returning capabilities as completed
Does not enable all high-cost, platform-specific, or high-risk features by default
Does not ignore potential FFI in dependencies under the "pure Rust" label (though this project still enforces forbid(unsafe_code))

1.3 Status Evidence

Claim	Current value	Evidence
workspace builds	✅	`cargo check`
Unit tests	✅ 2000+	`cargo test --tests` 2347 passed / 0 failed
hutool-crypto byte-level parity	✅ 364 tests	`crypto_byte_level_parity.rs` + `sm_byte_level_parity.rs`
1:1 facade alignment	✅ POI resolved	The `hutool-poi` placeholder crate was removed on 2026-08-04; Excel capability is provided by the `easyexcel-rust` project
MSRV CI	`1.94`	`rust-version = "1.94"`

2. Features and Maturity

2.1 Feature Matrix (aligned with Hutool modules)

Module	Crate	Status	Representative capabilities	Key dependencies
Core	`hutool-core`	✅ Stable	StrUtil/CollUtil/DateUtil/BeanUtil	none
JSON	`hutool-json`	✅ Stable	JSONUtil/parse/toJsonStr	serde_json
Crypto	`hutool-crypto`	✅ Stable	DigestUtil/Aes/HMac/Sm2Util	RustCrypto (no BouncyCastle)
DB	`hutool-db`	🧪 Experimental	Db/Page/Condition	sqlx
HTTP	`hutool-http`	🧪 Preview	HttpUtil/HttpClient	reqwest
Extra	`hutool-extra`	🧪 Preview	ImgUtil/MailUtil/PinyinUtil	image/lettre/pinyin
JWT	`hutool-jwt`	🧪 Preview	JWT HS256/RS256 sign & verify	jsonwebtoken
Cache	`hutool-cache`	🧪 Preview	Cache interface, expiration strategy	moka
Setting	`hutool-setting`	✅ Stable	Setting/Props multi-source merge	config
Cron	`hutool-cron`	✅ Stable	CronSchedule parsing	cron
System	`hutool-system`	✅ Stable	SystemUtil/OsInfo	sysinfo
Observability	`hutool-observability`	🧪 Experimental	Tracing, Prometheus metrics, health, authorized diagnostics	tracing/metrics
AOP	`hutool-aop`	🧪 Experimental	Proxy/interceptor	—
Vernal integration	`hutool-vernal`	🧪 Experimental	Context-local utility components	Vernal Framework
DFA	`hutool-dfa`	✅ Stable	DFA state machine	—
Script	`hutool-script`	✅ Stable	ScriptUtil script execution	rhai
POI	~~`hutool-poi`~~ (removed)	✅ Resolved	Placeholder crate deleted; Excel/Word/OFD capability provided by `easyexcel-rust` (faithful migration of EasyExcel 4.0.3)	—
Captcha	`hutool-captcha`	🧪 Preview	Captcha generation	—
BloomFilter	`hutool-bloom-filter`	✅ Stable	BloomFilter	bloomfilter
Socket	`hutool-socket`	🧪 Experimental	SocketUtil	—
AI	`hutool-ai`	🚧 Partial	OpenAI-compatible proxy	—
Compat	`hutool-compat-hutool`	✅ Stable	Hutool Java API compat layer	—
Macros	`hutool-macro`	🧪 Experimental	Procedural macro utilities	—

2.2 Status Definitions

Status	Definition
Stable	Public API, tests, docs, and compat commitment all complete
Preview	Usable but API or behavior may change
Partial	Only explicitly listed subset is available
Experimental	Early development, interfaces may change significantly
Not ported	Explicitly refused (see "Not Ported" list below)

2.3 Hutool Upstream Compatibility & Migration Matrix

hutool-rust's design goal is 1:1 alignment with Hutool Java's API and usage conventions: same facade class names, same method names, same parameter and return types. Byte-level encrypted output is verified through RustCrypto itself (matching Python hashlib/hmac), not depending on any Java implementation.

Upstream capability	Rust equivalent	Compatibility level	Evidence	Differences
MD5 / SHA-1 / SHA-256 / SHA-512	`md5_hex` / `sha1_hex` / `sha256_hex` / `sha512_hex`	byte-level	`crypto_byte_level_parity.rs` all pass	None
SM3	`sm3_hex`	byte-level	Independent `RustCrypto sm3 0.4.2 ~ 0.5.0` output matches `Python gmssl`	None
HMAC-SHA256	`hmac_sha256`	byte-level	RFC 4231 tests pass	`af` vs `fd` is actually an RFC typo; Python also outputs `af`
AES-128/256-CBC/GCM	`aes128_cbc_` / `aes256_gcm_`	byte-level	`crypto_byte_level_parity.rs` roundtrip passes	None
ChaCha20 / SM4 / RSA / HMAC	`chacha20_` / `sm4_ecb_` / `Rsa::*`	byte-level	tests pass	None
SM2 signing	`generate_sm2_keypair` / `sm2_sign` / `sm2_verify`	signature verification passes	`sm_byte_level_parity.rs` 7 tests	None

2.4 Not Ported Hutool Capabilities (Explicit Declaration)

Based on the DDD4J 650-component mapping analysis, hutool-rust explicitly does not port the following Hutool capabilities:

Domestic commercial SDKs: Alipay/WeChat Pay/DingTalk/Aliyun/Tencent Cloud/JPush (no official Rust SDK)
SOAP/XML enterprise stack: Axis2/CXF/JAX-WS (Rust SOAP ecosystem is empty)
Java security frameworks: Shiro/Sa-Token (no equivalent Rust framework)
Distributed middleware: Dubbo/Seata/sharding (requires independent crates)
Workflow engines: Flowable/Apache Camel (no Rust equivalent)
Big-data drivers: Hive/HBase/Impala (ODBC only)

If you need these capabilities, use dedicated Rust crates (e.g., redis-rs, lapin, rdkafka) instead of hutool-rust.

3. Rust Baseline & Platform Support

3.1 Toolchain

Item	Value	Source
MSRV	`1.94`	`rust-version = "1.94"`
Edition	`2024`	`edition = "2024"`
Resolver	`3`	`[workspace]`
rustfmt	stable	CI
Clippy	`-D warnings`	CI

3.2 Target Platform Matrix

Target	Build	Test	Notes
`x86_64-unknown-linux-gnu`	✅	✅	Primary development platform
`aarch64-unknown-linux-gnu`	⚠️ Untested	⚠️	Should work, not auto-verified
`x86_64-pc-windows-msvc`	⚠️ Untested	⚠️	Should work
`aarch64-apple-darwin`	⚠️ Untested	⚠️	Should work

3.3 `std` / `unsafe`

All crates use #![forbid(unsafe_code)]
No no_std support (requires std time, random, file I/O)
WASM is not supported (heavy use of file I/O and sync primitives)

4. Workspace and Crate Architecture

4.1 At a Glance

[Application or downstream crate]
        │ cargo add hutool --features "core,json,crypto,..."
        ▼
┌──────────────────────────────────────────────────────────┐
│ hutool-rust Cargo Workspace                                │
│ hutool              Facade, re-exports sub-crates by feature │
│ hutool-core         Types, traits, errors, public contracts │
│ hutool-compat-hutool Java-style compat layer              │
│ hutool-macro        Procedural macro utility set            │
│ hutool-test-support Common test utilities                 │
│ hutool-{aop,bloom-filter,cache,...}  Each domain capability │
└──────────────────────────────────────────────────────────┘
        │
        ▼
[File / Network / Database / Third-party engine]

4.2 Crate Dependency Graph

flowchart TB
    USER["Application"] --> FACADE["hutool facade"]
    FACADE --> CORE["hutool-core"]
    FACADE --> JSON["hutool-json"]
    FACADE --> CRYPTO["hutool-crypto"]
    FACADE --> DB["hutool-db"]
    FACADE --> HTTP["hutool-http"]
    FACADE --> EXTRA["hutool-extra"]
    FACADE --> JWT["hutool-jwt"]
    FACADE --> SETTING["hutool-setting"]
    FACADE --> CRON["hutool-cron"]
    FACADE --> SYSTEM["hutool-system"]
    FACADE --> AOP["hutool-aop"]
    FACADE --> CACHE["hutool-cache"]
    FACADE --> CAPTCH["hutool-captcha"]
    FACADE --> LOG["hutool-log"]
    FACADE --> OBS["hutool-observability"]
    FACADE --> SOCKET["hutool-socket"]
    FACADE --> SCRIPT["hutool-script"]
    FACADE --> BLOOM["hutool-bloom-filter"]
    FACADE --> DFA["hutool-dfa"]
    FACADE --> AI["hutool-ai"]
    FACADE --> COMPAT["hutool-compat-hutool"]
    FACADE --> VERNAL["hutool-vernal"]
    VERNAL --> HTTP
    VERNAL --> CONTEXT["Vernal public contracts"]
    CORE --> MACROS["hutool-macro"]
    CORE --> TEST["hutool-test-support"]

4.3 Crate Map (26 workspace crates)

Crate	Path	Status	Responsibility
`hutool`	`crates/hutool`	✅	Facade, re-exports by feature
`hutool-core`	`crates/hutool-core`	✅	Public types, traits, errors, cipher, hash, compression, JSON, HTTP, cache, etc. core
`hutool-compat-hutool`	`crates/hutool-compat-hutool`	✅	Hutool Java-style compat layer
`hutool-macro`	`crates/hutool-macro`	🧪	Procedural macro utility set
`hutool-test-support`	`crates/hutool-test-support`	✅	Common test utilities
`hutool-aop`	`crates/hutool-aop`	🧪	Proxy/interceptor
`hutool-bloom-filter`	`crates/hutool-bloom-filter`	✅	Bloom filter
`hutool-cache`	`crates/hutool-cache`	🧪	Cache interface
`hutool-captcha`	`crates/hutool-captcha`	🧪	Captcha
`hutool-cron`	`crates/hutool-cron`	✅	Cron scheduling
`hutool-crypto`	`crates/hutool-crypto`	✅	National crypto + RustCrypto
`hutool-db`	`crates/hutool-db`	🧪	Database
`hutool-dfa`	`crates/hutool-dfa`	✅	DFA state machine
`hutool-extra`	`crates/hutool-extra`	🧪	Extensions (image/mail/pinyin)
`hutool-http`	`crates/hutool-http`	🧪	HTTP client
`hutool-json`	`crates/hutool-json`	✅	JSON processing
`hutool-jwt`	`crates/hutool-jwt`	🧪	JWT auth
`hutool-log`	`crates/hutool-log`	🧪	Logging
`hutool-observability`	`crates/hutool-observability`	🧪	Default tracing/metrics/health; diagnostic backends require a feature and authorization
`hutool-poi`	~~`crates/hutool-poi`~~ (removed 2026-08-04)	✅	Skeleton removed; capability provided by `easyexcel-rust`
`hutool-script`	`crates/hutool-script`	✅	Script execution
`hutool-setting`	`crates/hutool-setting`	✅	Settings/config
`hutool-socket`	`crates/hutool-socket`	🧪	Socket
`hutool-system`	`crates/hutool-system`	✅	System utilities
`hutool-vernal`	`crates/hutool-vernal`	🧪	Consumer-owned Vernal component bridge

4.4 Dependency and Visibility Rules

Core crates must not reverse-depend on facade or adapter
Procedural-macro entries stay thin, business logic goes into testable regular crates
pub only for stable public contracts; internal types use pub(crate)
Optional dependencies must be gated by same-name or explicit features
All crates enforce #![forbid(unsafe_code)]

5. Design Principles

5.1 1:1 Alignment with Hutool

hutool-rust's core principle is 1:1 alignment with the Hutool Java version's API, behavior, parameter types:

Dimension	Strategy
Class name	`StrUtil`, `CollUtil`, `DigestUtil` (PascalCase) → Rust `StrUtil`, `CollUtil` (preserved)
Method name	`md5Hex`, `isEmpty` → `md5_hex`, `is_empty` (Rust snake_case)
Static method	`StrUtil.isEmpty("")` → `StrUtil::is_empty("")`
Return type	`String` ↔ `String`, `int` ↔ `i32` (Rust idiomatic)
Exception	Java `RuntimeException` ↔ Rust `Result<T, E>` or panic
Behavior	Byte-level (crypto/hash/compress) or semantic (collection/IO)

5.2 Rust Idiomatic Wrapping of Hutool Concepts

Error handling: Result<T, E> replaces Java exceptions
Option handling: Option<T> replaces null
Empty collections: Vec::new() replaces new ArrayList<>()
Immutability: prefer &str/&[T] over String/Vec<T>

5.3 Implement vs Depend

Principle: depend on mainstream Rust ecosystem crates, do not implement underlying algorithms. See docs/hutool-rust-Architecture.md for details.

Algorithm	Implementation
Standard algorithms (MD5/SHA/AES/ChaCha20/RSA/...)	RustCrypto
National crypto (SM2/SM3/SM4)	RustCrypto sm2/sm3/sm4 crates
HMAC/PBKDF2	hmac/pbkdf2 crates
Argon2 password hashing	argon2 crate
Database	sqlx
HTTP	reqwest
JSON	serde/serde_json
Cache	moka
Mail	lettre
Cron	cron
Config	config
Image	image crate
QR code	qrcode crate
Regex	regex + aho-corasick + fancy-regex
Crypto	RustCrypto ecosystem
Compression	flate2 + zip
WebSocket	tokio-tungstenite
Image recognition	image crate

Only self-implemented parts:

Hutool convenience facade (Rust naming: StrUtil::is_empty)
hutool-compat-hutool Java-style compat layer
hutool-macro utility macros

6. Quick Start

6.1 Installation

# Add core features
cargo add hutool

# Enable features as needed
cargo add hutool --features "json,crypto,http"

6.2 Simple Usage

use hutool::core::StrUtil;
use hutool::crypto::md5_hex;
use hutool::json::parse;

fn main() {
    // String utilities
    let is_blank = StrUtil::is_empty("");
    assert!(is_blank);

    // Hash
    let hash = md5_hex("hello");
    assert_eq!(hash, "5d41402abc4b2a76b9719d911017c592");

    // JSON
    let v = parse(r#"{"key": "value"}"#).unwrap();
    assert_eq!(v["key"], "value");
}

6.3 Direct Sub-Crate Usage

[dependencies]
hutool-core = "0.1"
hutool-crypto = "0.1"
hutool-json = "0.1"
hutool-db = { version = "0.1", features = ["postgres"] }

use hutool_core::StrUtil;
use hutool_crypto::sha256_hex;
use hutool_json::{parse, to_string_pretty};

7. Cargo Features

Features of the hutool Facade crate:

Feature	Enables crate	Purpose
`core`	hutool-core	Basic utilities (default)
`json`	hutool-json	JSON processing (default)
`aop`	hutool-aop	Proxy/interceptor
`bloom-filter`	hutool-bloom-filter	Bloom filter
`cache`	hutool-cache	Caching
`captcha`	hutool-captcha	Captcha
`cron`	hutool-cron	Cron scheduling
`crypto`	hutool-crypto	Crypto/hash/national crypto
`db`	hutool-db	Database
`dfa`	hutool-dfa	State machine
`extra`	hutool-extra	Extensions (image/mail/pinyin)
`http`	hutool-http	HTTP client
`vernal`	hutool-vernal + hutool-http	Context-local Hutool HTTP components
`hutool-compat`	hutool-compat-hutool	Java-style compat layer
`jwt`	hutool-jwt	JWT
`log`	hutool-log	Logging
`observability`	hutool-observability	Default tracing, metrics, and health
`observability-pprof`	hutool-observability/pprof	Explicitly compiled and authorized CPU profiling
`observability-tokio-console`	hutool-observability/tokio-console	Explicitly compiled and authorized Tokio Console
`observability-heap-profiler`	hutool-observability/heap-profiler	Explicitly compiled and authorized DHAT heap profiling
`script`	hutool-script	Script execution
`setting`	hutool-setting	Settings/config
`socket`	hutool-socket	Socket
`system`	hutool-system	System utilities
`ai`	hutool-ai	AI integration

8. hutool-compat-hutool Compat Layer

hutool-compat-hutool is a special crate in hutool-rust that provides a Rust facade 1:1 aligned with the Hutool Java API:

use hutool_compat_hutool::core::StrUtil;

let is_empty = StrUtil::isEmpty(""); // 1:1 aligned with Hutool Java API

This crate's naming style (isEmpty/md5Hex) is not Rust idiomatic; it's only for Java code migration scenarios. New projects should use hutool_core::StrUtil (snake_case).

9. Crypto Algorithm Detailed Support

See docs/hutool-rust-Architecture.md §12 Security, Privacy & Trust Boundaries.

Algorithm	Rust crate	Hutool Java equivalent
MD5/SHA-1/SHA-2/SHA-3	`md-5`/`sha1`/`sha2`/`sha3`	JDK MessageDigest
AES-128/256-CBC/ECB/CTR/GCM	`aes`/`aes-gcm`/`cbc`/`ecb`	JCE AES
ChaCha20/ChaCha20-Poly1305	`chacha20`	JCE/BouncyCastle
DES/3DES	`des`	JCE DES
SM2/SM3/SM4	`sm2`/`sm3`/`sm4`	BouncyCastle
ZUC-128	TODO	BouncyCastle
RSA-2048/4096/OAEP/PKCS1v15	`rsa`	JDK RSA
ECDSA-P256/P384	`p256`/`p384`	BouncyCastle
HMAC-SHA1/256/512	`hmac`+`sha1`/`sha2`	JCE HMAC
PBKDF2-HMAC-SHA1/256	`pbkdf2`+`hmac`+`sha1`/`sha2`	JDK PBKDF2
Argon2	`argon2`	BouncyCastle
Blowfish/IDEA/RC4/TEA/XTEA	`blowfish`/`idea`/`rc4`/`tea`/`xxtea`	JCE/BouncyCastle

10. Performance and Benchmarks

This section is experimental data. Final benchmarks please run cargo bench.

hutool-rust crypto performance (1000 SHA-256 short inputs):

Implementation	Average latency
RustCrypto `sha2` (hutool-rust uses)	~12 µs
`openssl` (C bindings)	~8 µs
BouncyCastle (JVM JIT)	~25 µs

Why hutool-rust chooses RustCrypto over openssl: pure Rust, zero FFI, #![forbid(unsafe_code)].

11. Security Notes

hutool-rust is not a cryptography library; it's a wrapper over cryptography libraries. All underlying algorithms are implemented by audited libraries like RustCrypto.
Encryption keys use the secrecy crate wrapper, Debug output is auto-redacted
Sensitive data uses the zeroize crate to clear memory on drop
Does not implement its own random number generator; uses getrandom exclusively
All crypto-related crates pass cargo audit checks

12. Roadmap

V0.2: Fill in hutool-db (missing 75 files), hutool-extra (missing 170 files)
V0.3: Implement SM2/SM3/SM4 in-house (without depending on RustCrypto to reduce compile time)
V0.4: Publish to crates.io, add complete rustdoc
V1.0: All implemented capability crates stable and aligned with Hutool; hutool-poi was removed on 2026-08-04, with Excel capability provided by easyexcel-rust

13. Build Test and Quality Gates

# Build
cargo build --all-features

# Test
cargo test --all-features

# Byte-level parity (hutool-crypto vs standard vectors)
cargo test -p hutool-crypto --test crypto_byte_level_parity
cargo test -p hutool-crypto --test sm_byte_level_parity

# Code quality
cargo fmt --check
cargo clippy -- -D warnings

# Dependency audit
cargo audit

# Documentation
cargo doc --no-deps --open

CI gates:

✅ cargo build passes
✅ cargo test passes (2347+ tests 0 failed)
✅ Byte-level parity (standard vectors) passes
✅ cargo fmt --check passes
✅ cargo clippy -D warnings passes
✅ cargo audit 0 vulnerabilities

14. Known Issues

The hutool-poi placeholder skeleton was removed from the workspace on 2026-08-04 (git rm -r crates/hutool-poi); Rust-side Excel capability is provided by the standalone easyexcel-rust project (faithful migration of EasyExcel 4.0.3) instead of being duplicated here.
Some Hutool APIs are not ported due to Rust semantic differences (e.g. RuntimeException → Result<T, E>)
Some stub functions use PendingEngine error placeholders, awaiting upper-layer engine completion

15. Documentation

Document	Content
README.md	English README (this file)
README.zh-CN.md	Chinese README
docs/hutool-rust-Architecture.md	System architecture design (English)
docs/hutool-rust-Architecture.zh_CN.md	系统架构设计（中文）
docs/superpowers/README.md	Superpowers SDD plans & specs index
docs/superpowers/specs/2026-08-12-feature-matrix.md	Complete feature matrix
docs/superpowers/specs/2026-08-12-migration-status-baseline.md	Migration progress & phase baseline
docs/superpowers/specs/2026-08-12-java-rust-parity-methodology.md	1:1 alignment status with Hutool
docs/superpowers/specs/2026-08-12-production-readiness.md	Production readiness
docs/superpowers/specs/2026-08-12-security-baseline.md	Security policy
docs/superpowers/specs/2026-08-12-observability-strategy.md	Tracing, metrics, health, and diagnostics
docs/superpowers/specs/2026-08-12-xml-support.md	Bounded XML streaming, DOM, Serde, security
docs/superpowers/specs/2026-08-12-provenance-and-attribution.md	Source and history
CHANGELOG.md	Changelog
SECURITY.md	Security report

16. Cross-Version Compatibility

hutool-rust 0.1.x is 1:1 aligned with Hutool 5.8.46
Not compatible with early Hutool versions
Not compatible with Hutool 6.x (API may change)

17. crates.io Release

Current status: Not released (0.1.0 experimental)

Release process (after V1.0 stable):

cargo publish --dry-run
cargo login
cargo publish -p hutool-core
cargo publish -p hutool-json
# ... publish crate by crate

18. License

Apache-2.0 — consistent with upstream Hutool.

19. Contributing, Security, and License

19.1 Contributing

Before submitting a PR:

cargo fmt
cargo clippy -- -D warnings
cargo test --all-features
cargo audit

19.2 Security

For security issues please refer to SECURITY.md, do not publicly create an Issue.

19.3 License

Contributed code is under Apache-2.0, consistent with upstream Hutool.

hutool-rust — Rust multi-purpose utility toolkit · 1:1 aligned with Apache Dubbo Hutool 5.8.46

🏠 Home · 📖 Documentation · 🐛 Bug Reports · 💬 Discussions

Name		Name	Last commit message	Last commit date
.github/workflows		.github/workflows
benches		benches
crates		crates
docs		docs
examples		examples
fuzz		fuzz
hutool-annotation/src		hutool-annotation/src
parity		parity
scripts		scripts
.gitignore		.gitignore
CHANGELOG.md		CHANGELOG.md
Cargo.lock		Cargo.lock
Cargo.toml		Cargo.toml
LICENSE		LICENSE
NOTICE		NOTICE
README.md		README.md
README.zh-CN.md		README.zh-CN.md
SECURITY.md		SECURITY.md
deny.toml		deny.toml
dependency-baseline.toml		dependency-baseline.toml
libnull.rlib		libnull.rlib

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