Decision Workspace
error_mapper vs handle-this vs custom_error
Side-by-side comparison of Rust crates
45
error_mapper
growingv0.4.0
Simple and standardized Results and Errors handling accross all your projects
53
handle-this
experimentalv0.2.4
Ergonomic error handling with try/catch/throw/inspect/finally syntax and automatic stack traces
60
custom_error
growingv1.9.2
Define custom errors without boilerplate using the custom_error! macro.
Core Metrics
| error_mapper | handle-this | custom_error | |
|---|---|---|---|
| Health Score | 45 | 53 | 60 |
| Total Downloads | 19.5K | 74 | 590.5K |
| 30d Downloads | 80 | 7 | 16.5K |
| Dependents | 0 | 0 | 1.0K |
| Releases | 16 | 5 | 17 |
| Last Updated | 280d ago | 54d ago | 1811d ago |
| Age | 2y 6m | 1m | 7y 4m |
Health Breakdown
error_mapper
Maintenance
9
Quality
13
Community
6
Popularity
5
Documentation
12
handle-this
Maintenance
16
Quality
14
Community
6
Popularity
2
Documentation
15
custom_error
Maintenance
4
Quality
23
Community
14
Popularity
7
Documentation
12
Technical Details
| error_mapper | handle-this | custom_error | |
|---|---|---|---|
| Version | 0.4.0 | 0.2.4 | 1.9.2 |
| Stable (≥1.0) | ✗ No | ✗ No | ✓ Yes |
| License | MIT | MIT OR Apache-2.0 | BSD-2-Clause |
| Dependencies | 8 | 10 | 0 |
| Crate Size | 31KB | 130KB | 11KB |
| Features | 9 | 5 | 3 |
| Yanked % | 6.3% | 0.0% | 0.0% |
| Edition | 2024 | 2021 | 2018 |
| MSRV | 1.87.0 | 1.70 | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •custom_error leads with a health score of 60/100, but none of the options score above 80.
- •custom_error is depended on by 1.0K crates — strongest ecosystem trust.
- •⚠ custom_error has not been updated in over a year.
- •error_mapper, handle-this are pre-1.0 — API may change.