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assertr

v0.6.0 Growing

Fluent assertions for the Rust programming language.

MIT OR Apache-2.0 Edition 2024 MSRV 1.89.0
Development tools::TestingNo standard library #testing#assertions#assert#assert-that

Quick Verdict

  • โœ“Actively maintained (updated 25d ago)
  • !Pre-1.0: API may have breaking changes
  • โœ“Trusted by 104 crates
  • โœ“Permissive license (MIT OR Apache-2.0)

Security

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Downloads
10.1K
Dependents
104
Releases
26
Size
87KB

Deep Insights

๐Ÿ“Š
Steady growth

498 downloads in the last 30 days (17/day), up 11% from the previous period.

๐Ÿ”—
Moderate adoption

104 crates depend on assertr. Reasonable ecosystem adoption, though not yet a core dependency.

๐Ÿ”ฌ
Pre-1.0 for over a year

Despite being 1+ years old, assertr hasn't reached 1.0 yet. Expect potential API changes between versions.

๐ŸŒŸ
Used by top crates

Notable dependents include axum-keycloak-auth, try-again, leptos-keycloak-auth, tokio-process-tools, chrome-for-testing-manager. When high-quality crates choose assertr, it's a strong quality signal.

Health Breakdown

Maintenance 17/25

Recency, release consistency, active ratio

Quality 16/25

Yanked ratio, deps, size, maturity, features

Community 12/20

Reverse deps, ownership, ecosystem

Popularity 5/15

Downloads, momentum, growth trend

Documentation 12/15

Docs, repo, license, metadata

Download Trend

Daily downloads ยท last 90 days
0/day avg
02/263/164/34/215/95/26

Top Dependents

Version Adoption

v0.5.0
44%
v0.6.0
25%
v0.4.4
16%
v0.5.7
9%
v0.5.6
6%

Release Timeline

10 releasessince 2026
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Feature Flags

default =["std", "num"]

num*std*fullhttpjifflibmserdetokioderivefluentprogramreqwestrootcause

README

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Maintainers

Dependencies
16
direct dependencies
Dependents
104
crates depend on assertr

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