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parking_lot_core

v0.9.12 Growing

An advanced API for creating custom synchronization primitives.

MIT OR Apache-2.0 Edition 2021 MSRV 1.71.0
Concurrency #mutex#thread#rwlock#condvar#once

Quick Verdict

  • !Pre-1.0: API may have breaking changes
  • โœ“Trusted by 670 crates
  • โœ“Permissive license (MIT OR Apache-2.0)

Security

Checking security advisories...
Downloads
717.9M
Dependents
670
Releases
53
Size
34KB

Deep Insights

๐Ÿ“Š
Steady growth

49.4M downloads in the last 30 days (1.6M/day), up 17% from the previous period.

๐Ÿ”—
Moderate adoption

670 crates depend on parking_lot_core. Reasonable ecosystem adoption, though not yet a core dependency.

๐Ÿ”ฌ
Pre-1.0 for over a year

Despite being 9+ years old, parking_lot_core hasn't reached 1.0 yet. Expect potential API changes between versions.

๐Ÿ“
Compact crate

At 33KB, parking_lot_core is lightweight. Small crate size correlates with focused, well-scoped functionality.

๐ŸŒŸ
Used by top crates

Notable dependents include once_cell, parking_lot, dashmap, static_init, foundations. When high-quality crates choose parking_lot_core, it's a strong quality signal.

Health Breakdown

Maintenance 10/25

Recency, release consistency, active ratio

Quality 13/25

Yanked ratio, deps, size, maturity, features

Community 15/20

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
1.4M/day avg+53%
0500K1.0M1.5M2.0M12/291/162/32/213/113/28

Top Dependents

Version Adoption

v0.9.10
33%
v0.9.12
19%
v0.8.6
18%
v0.9.11
17%
v0.9.9
14%

Release Timeline

53 releases3 yankedsince 2016
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2016
6
2017
9
2018
9
2019
5
2020
5
2021
3
2022
9
2023
4
2024
1
2025
2
2026
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Yanked

Feature Flags

nightlydeadlock_detection

README

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Maintainers

Dependencies
7
direct dependencies
Dependents
670
crates depend on parking_lot_core

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