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boxcar

v0.2.14 Growing

A concurrent, append-only vector

MIT Edition 2021 MSRV 1.72.0
ConcurrencyData structures #vector#concurrent#atomic#lock-free

Quick Verdict

  • !Pre-1.0: API may have breaking changes
  • โœ“Trusted by 490 crates
  • โœ“Tiny footprint (28KB, 2 deps)
  • โœ“Permissive license (MIT)

Security

Checking security advisories...
Downloads
19.0M
Dependents
490
Releases
16
Size
28KB

Deep Insights

๐Ÿ“Š
Steady growth

1.7M downloads in the last 30 days (57.7K/day), up 5% from the previous period.

๐Ÿ”—
Moderate adoption

490 crates depend on boxcar. Reasonable ecosystem adoption, though not yet a core dependency.

๐Ÿ”ฌ
Pre-1.0 for over a year

Despite being 4+ years old, boxcar 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 27KB, boxcar is lightweight. Small crate size correlates with focused, well-scoped functionality.

๐ŸŒŸ
Used by top crates

Notable dependents include pep508_rs, polars-core, solana-frozen-abi, salsa, orx-concurrent-bag. When high-quality crates choose boxcar, it's a strong quality signal.

Health Breakdown

Maintenance 8/25

Recency, release consistency, active ratio

Quality 12/25

Yanked ratio, deps, size, maturity, features

Community 13/20

Reverse deps, ownership, ecosystem

Popularity 8/15

Downloads, momentum, growth trend

Documentation 12/15

Docs, repo, license, metadata

Download Trend

Daily downloads ยท last 90 days
62K/day avg-33%
050K100K2/263/164/34/215/95/26

Top Dependents

Version Adoption

v0.2.13
37%
v0.2.14
34%
v0.2.11
18%
v0.2.8
7%
v0.2.12
5%

Release Timeline

10 releasessince 2024
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2026
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README

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Maintainers

Dependencies
2
direct dependencies
Dependents
490
crates depend on boxcar

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