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slab

v0.4.12 Growing

Pre-allocated storage for a uniform data type

MIT Edition 2018 MSRV 1.51

Quick Verdict

  • โœ“Actively maintained (updated 55d ago)
  • !Pre-1.0: API may have breaking changes
  • โœ“Massive adoption (7.6K crates depend on it)
  • โœ“Team maintained (2 owners)
  • โœ“Tiny footprint (19KB, 3 deps)

Security

Checking security advisories...
Downloads
550.9M
Dependents
7.6K
Releases
19
Size
19KB

Deep Insights

๐Ÿ“Š
Steady growth

44.1M downloads in the last 30 days (1.5M/day), up 19% from the previous period.

๐Ÿ”—
Widely adopted

7.6K crates depend on slab. Strong ecosystem adoption means battle-tested code and long-term stability.

๐Ÿ‘ค
Prolific maintainer

The primary maintainer publishes 186 crates. This suggests deep Rust expertise and long-term commitment to the ecosystem.

๐Ÿ”ฌ
Pre-1.0 for over a year

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

๐Ÿชถ
Minimal dependencies

Only 3 direct dependencies. Lean dependency tree means faster builds and lower supply chain risk.

๐Ÿ“
Compact crate

At 19KB, slab is lightweight. Small crate size correlates with focused, well-scoped functionality.

๐ŸŒŸ
Used by top crates

Notable dependents include tokio, futures-util, h2, tokio-util, tower. When high-quality crates choose slab, it's a strong quality signal.

Health Breakdown

Maintenance 14/25

Recency, release consistency, active ratio

Quality 14/25

Yanked ratio, deps, size, maturity, features

Community 20/20

Reverse deps, ownership, ecosystem

Popularity 8/15

Downloads, momentum, growth trend

Documentation 11/15

Docs, repo, license, metadata

Download Trend

Daily downloads ยท last 90 days
1.2M/day avg+68%
0500K1.0M1.5M12/291/162/32/213/113/28

Top Dependents

Version Adoption

v0.4.9
50%
v0.4.11
25%
v0.4.8
11%
v0.4.7
8%
v0.4.12
6%

Release Timeline

19 releases1 yankedsince 2015
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2015
4
2016
2
2017
1
2018
1
2019
1
2020
2021
3
2022
2
2023
2
2024
2025
2
2026
1
Less
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Yanked

Feature Flags

default =["std"]

std*

README

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Maintainers

Dependencies
3
direct dependencies
Dependents
7.6K
crates depend on slab

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