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async-lock

v3.4.2 Stable

Async synchronization primitives

Apache-2.0 OR MIT Edition 2021 MSRV 1.85
AsynchronousConcurrency #lock#mutex#rwlock#semaphore#barrier

Quick Verdict

  • โœ“Stable API (3.x for 6+ years)
  • โœ“Massive adoption (3.4K crates depend on it)
  • โœ“Team maintained (2 owners)
  • โœ“Permissive license (Apache-2.0 OR MIT)

Security

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Downloads
192.4M
Dependents
3.4K
Releases
32
Size
40KB

Deep Insights

๐Ÿ“Š
Steady growth

12.7M downloads in the last 30 days (424.7K/day), up 18% from the previous period.

๐Ÿ”—
Widely adopted

3.4K crates depend on async-lock. Strong ecosystem adoption means battle-tested code and long-term stability.

๐Ÿ‘ค
Prolific maintainer

The primary maintainer publishes 118 crates. This suggests deep Rust expertise and long-term commitment to the ecosystem.

โœ…
Stable for 6+ years

The API has been stable (1.x) for over 6 years with 32 releases. This level of maturity means you can depend on it without worrying about breaking changes.

๐Ÿ“
Compact crate

At 39KB, async-lock is lightweight. Small crate size correlates with focused, well-scoped functionality.

๐ŸŒŸ
Used by top crates

Notable dependents include async-executor, async-process, async-global-executor, async-std, moka. When high-quality crates choose async-lock, it's a strong quality signal.

Health Breakdown

Maintenance 13/25

Recency, release consistency, active ratio

Quality 20/25

Yanked ratio, deps, size, maturity, features

Community 20/20

Reverse deps, ownership, ecosystem

Popularity 8/15

Downloads, momentum, growth trend

Documentation 12/15

Docs, repo, license, metadata

Download Trend

Daily downloads ยท last 90 days
351K/day avg+53%
0200K400K600K12/291/162/32/213/113/28

Top Dependents

Version Adoption

v3.4.0
36%
v2.8.0
30%
v3.4.1
15%
v3.3.0
12%
v2.7.0
8%

Release Timeline

32 releasessince 2019
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2019
1
2020
17
2021
1
2022
2
2023
7
2024
2
2025
2
2026
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Feature Flags

default =["std"]

std*loom

README

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Maintainers

Dependencies
9
direct dependencies
Dependents
3.4K
crates depend on async-lock

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