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quickcheck

v1.1.0 Stable

Automatic property based testing with shrinking.

Unlicense OR MIT Edition 2021 MSRV 1.85.0
Development tools::Testing #testing#quickcheck#property#shrinking#fuzz

Quick Verdict

  • Actively maintained (updated 45d ago)
  • Stable API (1.x for 11+ years)
  • Massive adoption (19.6K crates depend on it)
  • Tiny footprint (32KB, 3 deps)
  • Permissive license (Unlicense OR MIT)

Security

Checking security advisories...
Downloads
50.4M
Dependents
19.6K
Releases
85
Size
32KB

Deep Insights

📊
Steady growth

3.0M downloads in the last 30 days (99.6K/day), up 12% from the previous period.

🏛️
Foundational crate

19.6K crates depend on quickcheck — it's part of the Rust ecosystem's core infrastructure. Removing it from your dependency tree would be extremely difficult.

👤
Prolific maintainer

The primary maintainer publishes 84 crates. This suggests deep Rust expertise and long-term commitment to the ecosystem.

Stable for 11+ years

The API has been stable (1.x) for over 11 years with 85 releases. This level of maturity means you can depend on it without worrying about breaking changes.

🪶
Minimal dependencies

Only 3 direct dependencies. Lean dependency tree means faster builds and lower supply chain risk.

📐
Compact crate

At 31KB, quickcheck is lightweight. Small crate size correlates with focused, well-scoped functionality.

🌟
Used by top crates

Notable dependents include itertools, indexmap, memchr, regex-automata, regex. When high-quality crates choose quickcheck, it's a strong quality signal.

Health Breakdown

Maintenance 16/25

Recency, release consistency, active ratio

Quality 21/25

Yanked ratio, deps, size, maturity, features

Community 14/20

Reverse deps, ownership, ecosystem

Popularity 8/15

Downloads, momentum, growth trend

Documentation 15/15

Docs, repo, license, metadata

Download Trend

Daily downloads · last 90 days
84K/day avg+49%
050K100K150K12/291/162/32/213/113/28

Top Dependents

Version Adoption

v1.0.3
78%
v0.9.2
15%
v0.8.5
3%
v1.1.0
3%
v0.6.2
2%

Release Timeline

85 releases3 yankedsince 2014
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D
2014
10
2015
44
2016
8
2017
4
2018
5
2019
7
2020
2
2021
4
2022
2023
2024
2025
2026
1
Less
More|
Yanked

Feature Flags

default =["regex", "use_logging"]

regex*use_logging*

README

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Maintainers

Dependencies
3
direct dependencies
Dependents
19.6K
crates depend on quickcheck

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