Decision Workspace
proc-macro-error vs proc-macro-error3 vs proc-macro-error2
Side-by-side comparison of Rust crates
53
proc-macro-error
growingv1.0.4
Almost drop-in replacement to panics in proc-macros
56
proc-macro-error3
experimentalv3.0.2
Almost drop-in replacement to panics in proc-macros
51
proc-macro-error2
growingv2.0.1
Almost drop-in replacement to panics in proc-macros
Core Metrics
| proc-macro-error | proc-macro-error3 | proc-macro-error2 | |
|---|---|---|---|
| Health Score | 53 | 56 | 51 |
| Total Downloads | 308.2M | 137.1K | 121.8M |
| 30d Downloads | 7.9M | 121.7K | 9.6M |
| Dependents | 5.7K | 17 | 1.2K |
| Releases | 38 | 3 | 5 |
| Last Updated | 2173d ago | 34d ago | 675d ago |
| Age | 7y | 1m | 2y 10m |
Health Breakdown
proc-macro-error
Maintenance
6
Quality
16
Community
14
Popularity
8
Documentation
9
proc-macro-error3
Maintenance
12
Quality
18
Community
8
Popularity
6
Documentation
12
proc-macro-error2
Maintenance
4
Quality
14
Community
13
Popularity
8
Documentation
12
Technical Details
| proc-macro-error | proc-macro-error3 | proc-macro-error2 | |
|---|---|---|---|
| Version | 1.0.4 | 3.0.2 | 2.0.1 |
| Stable (≥1.0) | ✓ Yes | ✓ Yes | ✓ Yes |
| License | MIT OR Apache-2.0 | MIT OR Apache-2.0 | MIT OR Apache-2.0 |
| Dependencies | 8 | 6 | 6 |
| Crate Size | 25KB | 36KB | 25KB |
| Features | 2 | 4 | 3 |
| Yanked % | 10.5% | 0.0% | 40.0% |
| Edition | 2018 | 2021 | 2021 |
| MSRV | — | 1.61 | 1.61 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •proc-macro-error3 leads with a health score of 56/100, but none of the options score above 80.
- •proc-macro-error has the most downloads (308.2M), suggesting wider adoption.
- •proc-macro-error is depended on by 5.7K crates — strongest ecosystem trust.
- •⚠ proc-macro-error, proc-macro-error2 have not been updated in over a year.