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rancor

v0.1.1 Growing

Scalable and efficient error handling without type composition

MIT Edition 2021 MSRV 1.81
Rust patternsNo standard library #error#no_std#error-handling

Quick Verdict

  • !Pre-1.0: API may have breaking changes
  • โœ“Trusted by 264 crates
  • โœ“Tiny footprint (11KB, 1 deps)
  • โœ“Permissive license (MIT)

Security

Checking security advisories...
Downloads
13.6M
Dependents
264
Releases
14
Size
11KB

Deep Insights

๐Ÿ“Š
Stable downloads

2.3M downloads in the last 30 days (76.8K/day). Volume is roughly flat compared to the previous period.

๐Ÿ”—
Moderate adoption

264 crates depend on rancor. Reasonable ecosystem adoption, though not yet a core dependency.

๐Ÿ”ฌ
Pre-1.0 for over a year

Despite being 2+ years old, rancor 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 10KB, rancor is lightweight. Small crate size correlates with focused, well-scoped functionality.

๐ŸŒŸ
Used by top crates

Notable dependents include rkyv, bytecheck, swc_common, swc_ecma_ast, swc_atoms. When high-quality crates choose rancor, it's a strong quality signal.

Health Breakdown

Maintenance 10/25

Recency, release consistency, active ratio

Quality 17/25

Yanked ratio, deps, size, maturity, features

Community 13/20

Reverse deps, ownership, ecosystem

Popularity 8/15

Downloads, momentum, growth trend

Documentation 15/15

Docs, repo, license, metadata

Download Trend

Daily downloads ยท last 90 days
75K/day avg+23%
050K100K150K12/291/162/32/213/113/28

Top Dependents

Version Adoption

v0.1.0
70%
v0.1.1
30%
v0.1.0-pre8
0%
v0.1.0-alpha.10
0%
v0.1.0-rc.1
0%

Release Timeline

14 releasessince 2023
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2023
7
2024
6
2025
1
2026
Less
More

Feature Flags

default =["alloc"]

alloc*

README

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Maintainers

Dependencies
1
direct dependencies
Dependents
264
crates depend on rancor

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