Decision Workspace
match_err vs error_set vs custom_error
Side-by-side comparison of Rust crates
48
match_err
growingv0.1.9
Macro for matching enum-like errors
66
error_set
growingv0.9.2
Quick error declarations and automatic conversions between errors for precisely typed error handling. Inspired by Zig's error set type.
60
custom_error
growingv1.9.2
Define custom errors without boilerplate using the custom_error! macro.
Core Metrics
| match_err | error_set | custom_error | |
|---|---|---|---|
| Health Score | 48 | 66 | 60 |
| Total Downloads | 8.3K | 161.7K | 678.9K |
| 30d Downloads | 0 | 8.5K | 23.4K |
| Dependents | 0 | 46 | 1.0K |
| Releases | 8 | 35 | 17 |
| Last Updated | 706d ago | 13d ago | 1919d ago |
| Age | 1y 11m | 2y 3m | 7y 8m |
Health Breakdown
match_err
Maintenance
10
Quality
15
Community
5
Popularity
5
Documentation
13
error_set
Maintenance
18
Quality
16
Community
11
Popularity
6
Documentation
15
custom_error
Maintenance
4
Quality
23
Community
14
Popularity
7
Documentation
12
Technical Details
| match_err | error_set | custom_error | |
|---|---|---|---|
| Version | 0.1.9 | 0.9.2 | 1.9.2 |
| Stable (≥1.0) | ✗ No | ✗ No | ✓ Yes |
| License | MIT | Apache-2.0 | BSD-2-Clause |
| Dependencies | 2 | 6 | 0 |
| Crate Size | 3KB | 36KB | 11KB |
| Features | 0 | 2 | 3 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2021 | 2024 | 2018 |
| MSRV | — | 1.86 | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •error_set leads with a health score of 66/100, but none of the options score above 80.
- •custom_error has the most downloads (678.9K), suggesting wider adoption.
- •custom_error is depended on by 1.0K crates — strongest ecosystem trust.
- •⚠ match_err, custom_error have not been updated in over a year.
- •match_err, error_set are pre-1.0 — API may change.