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sumtype

v0.4.0 Growing

Generate zerocost anonymous sum types that implement common traits

MIT Edition 2021 MSRV 1.56.0
Data structuresMemory managementRust patterns #macros#iterator#enum#union-type#zerocost

Quick Verdict

  • โœ“Actively maintained (updated 18d ago)
  • !Pre-1.0: API may have breaking changes
  • โœ“Tiny footprint (32KB, 2 deps)
  • โœ“Permissive license (MIT)

Security

Checking security advisories...
Downloads
13.0K
Dependents
8
Releases
14
Size
32KB

Deep Insights

๐Ÿ“‰
Download decline

101 downloads in the last 30 days, down 76% from the previous period. May indicate migration to alternatives.

๐Ÿ‘ค
Prolific maintainer

The primary maintainer publishes 53 crates. This suggests deep Rust expertise and long-term commitment to the ecosystem.

๐Ÿ”ฌ
Pre-1.0 for over a year

Despite being 1+ years old, sumtype 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 32KB, sumtype is lightweight. Small crate size correlates with focused, well-scoped functionality.

Health Breakdown

Maintenance 18/25

Recency, release consistency, active ratio

Quality 15/25

Yanked ratio, deps, size, maturity, features

Community 9/20

Reverse deps, ownership, ecosystem

Popularity 5/15

Downloads, momentum, growth trend

Documentation 15/15

Docs, repo, license, metadata

Download Trend

Daily downloads ยท last 90 days
0/day avg
04/265/146/16/197/77/24

Top Dependents

Most downloaded crates that depend on sumtype

Version Adoption

v0.2.5
26%
v0.2.4
21%
v0.2.0
18%
v0.2.2
18%
v0.1.5
18%

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
8
crates depend on sumtype

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