Decision Workspace
nobug vs invariants vs assertr
Side-by-side comparison of Rust crates
54
nobug
growingv0.7.0
Assertions and active code annotations
44
invariants
growingv0.1.4
Assertions for normal and invariant based development
62
assertr
growingv0.6.0
Fluent assertions for the Rust programming language.
Core Metrics
| nobug | invariants | assertr | |
|---|---|---|---|
| Health Score | 54 | 44 | 62 |
| Total Downloads | 13.8K | 6.0K | 10.1K |
| 30d Downloads | 0 | 0 | 0 |
| Dependents | 3 | 0 | 104 |
| Releases | 16 | 5 | 26 |
| Last Updated | 527d ago | 424d ago | 25d ago |
| Age | 1y 7m | 4y | 1y 4m |
Health Breakdown
nobug
Maintenance
8
Quality
18
Community
8
Popularity
5
Documentation
15
invariants
Maintenance
5
Quality
18
Community
6
Popularity
5
Documentation
10
assertr
Maintenance
17
Quality
16
Community
12
Popularity
5
Documentation
12
Technical Details
| nobug | invariants | assertr | |
|---|---|---|---|
| Version | 0.7.0 | 0.1.4 | 0.6.0 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | MIT OR Apache-2.0 | MIT | MIT OR Apache-2.0 |
| Dependencies | 2 | 1 | 16 |
| Crate Size | 16KB | 6KB | 87KB |
| Features | 6 | 6 | 14 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2021 | 2021 | 2024 |
| MSRV | 1.56.1 | — | 1.89.0 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •assertr leads with a health score of 62/100, but none of the options score above 80.
- •nobug has the most downloads (13.8K), suggesting wider adoption.
- •assertr is depended on by 104 crates — strongest ecosystem trust.
- •⚠ nobug, invariants have not been updated in over a year.