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fixedbitset

v0.5.7 Growing

FixedBitSet is a simple bitset collection

MIT OR Apache-2.0 Edition 2021 MSRV 1.56
Data structures #data-structure#container#bitvec#bitset#no_std

Quick Verdict

  • โœ•Not updated for 1+ year
  • !Pre-1.0: API may have breaking changes
  • โœ“Massive adoption (2.0K crates depend on it)
  • โœ“Team maintained (4 owners)
  • โœ“Tiny footprint (27KB, 2 deps)

Security

Checking security advisories...
Downloads
310.7M
Dependents
2.0K
Releases
30
Size
27KB

Deep Insights

๐Ÿ“Š
Steady growth

25.7M downloads in the last 30 days (855.1K/day), up 19% from the previous period.

๐Ÿ”—
Widely adopted

2.0K crates depend on fixedbitset. Strong ecosystem adoption means battle-tested code and long-term stability.

๐Ÿ‘ฅ
Team maintained

This crate is maintained by a team (4 owners), reducing bus-factor risk and ensuring continuity.

๐Ÿ”ฌ
Pre-1.0 for over a year

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

๐Ÿชถ
Minimal dependencies

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

๐Ÿ“
Compact crate

At 26KB, fixedbitset is lightweight. Small crate size correlates with focused, well-scoped functionality.

๐ŸŒŸ
Used by top crates

Notable dependents include petgraph, guppy, termwiz, bevy_ecs, rumqttc. When high-quality crates choose fixedbitset, it's a strong quality signal.

Health Breakdown

Maintenance 4/25

Recency, release consistency, active ratio

Quality 13/25

Yanked ratio, deps, size, maturity, features

Community 19/20

Reverse deps, ownership, ecosystem

Popularity 8/15

Downloads, momentum, growth trend

Documentation 15/15

Docs, repo, license, metadata

Download Trend

Daily downloads ยท last 90 days
694K/day avg+61%
0500K1.0M12/291/162/32/213/113/28

Top Dependents

Version Adoption

v0.4.2
57%
v0.5.7
27%
v0.2.0
10%
v0.4.1
4%
v0.1.9
2%

Release Timeline

30 releases3 yankedsince 2015
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2015
6
2016
5
2017
3
2018
1
2019
1
2020
2
2021
2
2022
2
2023
2024
8
2025
2026
Less
More|
Yanked

Feature Flags

default =["std"]

std*

README

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Maintainers

Dependencies
2
direct dependencies
Dependents
2.0K
crates depend on fixedbitset

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