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block2

v0.6.2 Growing

Apple's C language extension of blocks

MIT Edition 2021 MSRV 1.71

Quick Verdict

  • !Pre-1.0: API may have breaking changes
  • โœ“Massive adoption (1.9K crates depend on it)
  • โœ“Tiny footprint (35KB, 1 deps)
  • โœ“Permissive license (MIT)

Security

Checking security advisories...
Downloads
70.2M
Dependents
1.9K
Releases
18
Size
35KB

Deep Insights

๐Ÿ“Š
Steady growth

10.5M downloads in the last 30 days (350.5K/day), up 12% from the previous period.

๐Ÿ”—
Widely adopted

1.9K crates depend on block2. Strong ecosystem adoption means battle-tested code and long-term stability.

๐Ÿ‘ค
Prolific maintainer

The primary maintainer publishes 236 crates. This suggests deep Rust expertise and long-term commitment to the ecosystem.

๐Ÿ”ฌ
Pre-1.0 for over a year

Despite being 4+ years old, block2 hasn't reached 1.0 yet. Expect potential API changes between versions.

๐Ÿชถ
Minimal dependencies

Only 1 direct dependencies. Lean dependency tree means faster builds and lower supply chain risk.

๐Ÿ“
Compact crate

At 34KB, block2 is lightweight. Small crate size correlates with focused, well-scoped functionality.

๐ŸŒŸ
Used by top crates

Notable dependents include objc2-foundation, objc2-core-foundation, winit, dispatch2, objc2-app-kit. When high-quality crates choose block2, it's a strong quality signal.

Health Breakdown

Maintenance 9/25

Recency, release consistency, active ratio

Quality 19/25

Yanked ratio, deps, size, maturity, features

Community 17/20

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
277K/day avg-24%
0100K200K300K400K500K4/265/146/16/197/77/24

Top Dependents

Version Adoption

v0.6.2
51%
v0.5.1
33%
v0.3.0
10%
v0.6.1
4%
v0.5.0
3%

Release Timeline

10 releasessince 2022
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2022
1
2023
4
2024
2
2025
3
2026
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Feature Flags

default =["std"]

std*alloccompiler-rtgnustep-1-7gnustep-1-8gnustep-1-9gnustep-2-0gnustep-2-1unstable-objfwunstable-privateunstable-winobjcunstable-coerce-pointee

README

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Maintainers

Dependencies
1
direct dependencies
Dependents
1.9K
crates depend on block2

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