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pretty_assertions

v1.4.1 Growing

Overwrite `assert_eq!` and `assert_ne!` with drop-in replacements, adding colorful diffs.

MIT OR Apache-2.0 Edition 2018
Development tools #assert#color#diff#pretty

Quick Verdict

  • Not updated for 1+ year
  • Stable API (1.x for 9+ years)
  • Massive adoption (78.5K crates depend on it)
  • Tiny footprint (79KB, 2 deps)
  • Permissive license (MIT OR Apache-2.0)

Security

Checking security advisories...
Downloads
177.5M
Dependents
78.5K
Releases
26
Size
79KB

Deep Insights

📊
Stable downloads

11.6M downloads in the last 30 days (386.0K/day). Volume is roughly flat compared to the previous period.

🏛️
Foundational crate

78.5K crates depend on pretty_assertions — it's part of the Rust ecosystem's core infrastructure. Removing it from your dependency tree would be extremely difficult.

Stable for 9+ years

The API has been stable (1.x) for over 9 years with 26 releases. This level of maturity means you can depend on it without worrying about breaking changes.

🪶
Minimal dependencies

Only 2 direct dependencies. Lean dependency tree means faster builds and lower supply chain risk.

🌟
Used by top crates

Notable dependents include hex, displaydoc, schemars, quick-xml, serde_with. When high-quality crates choose pretty_assertions, it's a strong quality signal.

Health Breakdown

Maintenance 4/25

Recency, release consistency, active ratio

Quality 22/25

Yanked ratio, deps, size, maturity, features

Community 16/20

Reverse deps, ownership, ecosystem

Popularity 8/15

Downloads, momentum, growth trend

Documentation 12/15

Docs, repo, license, metadata

Download Trend

Daily downloads · last 90 days
371K/day avg-54%
0200K400K600K4/265/146/16/197/77/24

Top Dependents

Version Adoption

v1.4.1
53%
v1.4.0
33%
v1.3.0
9%
v0.7.2
3%
v1.2.1
3%

Release Timeline

10 releasessince 2021
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2021
4
2022
4
2023
1
2024
1
2025
2026
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Feature Flags

default =["std"]

std*allocunstable

README

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Maintainers

Dependencies
2
direct dependencies
Dependents
78.5K
crates depend on pretty_assertions

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