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usage-lib

v3.3.0 Stable

Library for working with usage specs

MIT Edition 2021 MSRV 1.80.0

Quick Verdict

  • โœ“Actively maintained (updated 22d ago)
  • โœ“Stable API (3.x for 2+ years)
  • โœ“Trusted by 627 crates
  • !Heavy dependency tree (21 direct deps)
  • โœ“Permissive license (MIT)

Security

Checking security advisories...
Downloads
286.7K
Dependents
627
Releases
118
Size
110KB

Deep Insights

๐Ÿ“ˆ
Strong growth momentum

27.7K downloads in the last 30 days (923/day), up 31% from the previous period.

๐Ÿ”—
Moderate adoption

627 crates depend on usage-lib. Reasonable ecosystem adoption, though not yet a core dependency.

๐Ÿ‘ค
Prolific maintainer

The primary maintainer publishes 50 crates. This suggests deep Rust expertise and long-term commitment to the ecosystem.

โœ…
Stable for 2+ years

The API has been stable (1.x) for over 2 years with 118 releases. This level of maturity means you can depend on it without worrying about breaking changes.

๐Ÿ“ฆ
Heavy dependency tree

21 direct dependencies. Consider the impact on compile times and supply chain complexity.

๐ŸŒŸ
Used by top crates

Notable dependents include mise, usage-cli, clap_usage, fnox, tuisage. When high-quality crates choose usage-lib, it's a strong quality signal.

Health Breakdown

Maintenance 18/25

Recency, release consistency, active ratio

Quality 17/25

Yanked ratio, deps, size, maturity, features

Community 9/20

Reverse deps, ownership, ecosystem

Popularity 7/15

Downloads, momentum, growth trend

Documentation 15/15

Docs, repo, license, metadata

Download Trend

Daily downloads ยท last 90 days
732/day avg+62%
05001K2K2/263/164/34/215/95/26

Top Dependents

Version Adoption

v2.18.2
44%
v3.2.0
28%
v3.3.0
18%
v3.2.1
6%
v3.0.0
3%

Release Timeline

10 releasessince 2026
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Feature Flags

default =["docs"]

docs*unstable_choices_env

README

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Maintainers

Dependencies
21
direct dependencies
Dependents
627
crates depend on usage-lib