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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 2+ years
  • !Pre-1.0: API may have breaking changes
  • โœ“Massive adoption (2.3K crates depend on it)
  • โœ“Team maintained (4 owners)
  • โœ“Tiny footprint (27KB, 2 deps)

Security

Checking security advisories...
Downloads
364.1M
Dependents
2.3K
Releases
30
Size
27KB

Deep Insights

๐Ÿ“ˆ
Strong growth momentum

31.1M downloads in the last 30 days (1.0M/day), up 31% from the previous period.

๐Ÿ”—
Widely adopted

2.3K 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 11+ 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, futures-concurrency. 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
885K/day avg+26%
0500K1.0M1.5M2/263/164/34/215/95/26

Top Dependents

Version Adoption

v0.4.2
62%
v0.5.7
34%
v0.4.1
4%
v0.5.0
0%
v0.5.6
0%

Release Timeline

10 releases3 yankedsince 2022
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2022
2
2023
2024
8
2025
2026
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Yanked

Feature Flags

default =["std"]

std*

README

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Maintainers

Dependencies
2
direct dependencies
Dependents
2.3K
crates depend on fixedbitset

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