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error_def
v0.3.16 GrowingA Rust syntax extension for generating error-handling boilerplate code.
GPL-2.0
#syntax#error#boilerplate
Quick Verdict
- ✕Not updated for 8+ years
- !Pre-1.0: API may have breaking changes
- ✓Tiny footprint (13KB, 0 deps)
Security
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Downloads
36.6K
Dependents
35
Releases
19
Size
13KB
Deep Insights
📈
Strong growth momentum
75 downloads in the last 30 days (3/day), up 44% from the previous period.
🔬
Pre-1.0 for over a year
Despite being 10+ years old, error_def hasn't reached 1.0 yet. Expect potential API changes between versions.
🪶
Zero dependencies
error_def has no external dependencies — minimal supply chain risk and fast compile times.
📐
Compact crate
At 13KB, error_def is lightweight. Small crate size correlates with focused, well-scoped functionality.
Health Breakdown
Maintenance 5/25
Recency, release consistency, active ratio
Quality 16/25
Yanked ratio, deps, size, maturity, features
Community 7/20
Reverse deps, ownership, ecosystem
Popularity 5/15
Downloads, momentum, growth trend
Documentation 11/15
Docs, repo, license, metadata
Download Trend
Daily downloads · last 90 days
3/day avg-58%
Top Dependents
Most downloaded crates that depend on error_def
Version Adoption
v0.3.16
39%
v0.3.11
16%
v0.3.6
15%
v0.3.12
15%
v0.3.4
15%
Release Timeline
19 releasessince 2015
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README
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Maintainers
Dependencies
0
direct dependencies
Dependents
35
crates depend on error_def