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64

slab

v0.4.12 Growing

Pre-allocated storage for a uniform data type

MIT Edition 2018 MSRV 1.51

Quick Verdict

  • !Pre-1.0: API may have breaking changes
  • โœ“Massive adoption (8.1K crates depend on it)
  • โœ“Team maintained (2 owners)
  • โœ“Tiny footprint (19KB, 3 deps)
  • โœ“Permissive license (MIT)

Security

Checking security advisories...
Downloads
654.1M
Dependents
8.1K
Releases
19
Size
19KB

Deep Insights

๐Ÿ“ˆ
Strong growth momentum

59.9M downloads in the last 30 days (2.0M/day), up 29% from the previous period.

๐Ÿ”—
Widely adopted

8.1K crates depend on slab. Strong ecosystem adoption means battle-tested code and long-term stability.

๐Ÿ‘ค
Prolific maintainer

The primary maintainer publishes 194 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 11/25

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
1.7M/day avg+42%
01.0M2.0M2/263/164/34/215/95/26

Top Dependents

Version Adoption

v0.4.9
43%
v0.4.11
26%
v0.4.12
15%
v0.4.8
10%
v0.4.7
7%

Release Timeline

10 releases1 yankedsince 2021
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2021
3
2022
2
2023
2
2024
2025
2
2026
1
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Yanked

Feature Flags

default =["std"]

std*

README

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Maintainers

Dependencies
3
direct dependencies
Dependents
8.1K
crates depend on slab

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