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approx

v0.5.1 Growing

Approximate floating point equality comparisons and assertions.

Apache-2.0
#assert#equality#float#comparison#approximate

Quick Verdict

  • βœ“Actively maintained (updated 50d ago)
  • !Pre-1.0: API may have breaking changes
  • βœ“Massive adoption (17.5K crates depend on it)
  • βœ“Tiny footprint (15KB, 2 deps)
  • βœ“Permissive license (Apache-2.0)

Security

Checking security advisories...
Downloads
99.1M
Dependents
17.5K
Releases
13
Size
15KB

Deep Insights

πŸ“Š
Steady growth

7.8M downloads in the last 30 days (261.5K/day), up 19% from the previous period.

πŸ›οΈ
Foundational crate

17.5K crates depend on approx β€” it's part of the Rust ecosystem's core infrastructure. Removing it from your dependency tree would be extremely difficult.

πŸ”¬
Pre-1.0 for over a year

Despite being 10+ years old, approx hasn't reached 1.0 yet. Expect potential API changes between versions.

πŸͺΆ
Minimal dependencies

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

πŸ“
Compact crate

At 15KB, approx is lightweight. Small crate size correlates with focused, well-scoped functionality.

🌟
Used by top crates

Notable dependents include criterion, png, ndarray, metrics-util, aws-smithy-runtime. When high-quality crates choose approx, it's a strong quality signal.

Health Breakdown

Maintenance 13/25

Recency, release consistency, active ratio

Quality 14/25

Yanked ratio, deps, size, maturity, features

Community 16/20

Reverse deps, ownership, ecosystem

Popularity 8/15

Downloads, momentum, growth trend

Documentation 11/15

Docs, repo, license, metadata

Download Trend

Daily downloads Β· last 90 days
209K/day avg+73%
0100K200K300K12/291/162/32/213/113/28

Top Dependents

Version Adoption

v0.5.1
68%
v0.3.2
15%
v0.4.0
12%
v0.1.1
2%
v0.5.0
2%

Release Timeline

13 releases1 yankedsince 2015
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2015
2
2016
1
2017
2018
4
2019
1
2020
1
2021
1
2022
1
2023
2024
2025
2026
2
Less
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Yanked

Feature Flags

default =["std"]

std*

README

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Maintainers

Dependencies
2
direct dependencies
Dependents
17.5K
crates depend on approx

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