Decision Workspace
nonmax vs nonzero-char vs notzero
Side-by-side comparison of Rust crates
48
nonmax
growingv0.5.5
Numeric types that cannot hold maximum values
53
nonzero-char
experimentalv0.3.0
Implement NonZeroChar, like NonZeroU32
50
notzero
growingv1.1.0
macro for constructing `std::num::NonZero*` from constants
Core Metrics
| nonmax | nonzero-char | notzero | |
|---|---|---|---|
| Health Score | 48 | 53 | 50 |
| Total Downloads | 6.9M | 2.5K | 5.5K |
| 30d Downloads | 754.6K | 8 | 178 |
| Dependents | 931 | 0 | 0 |
| Releases | 9 | 6 | 3 |
| Last Updated | 859d ago | 51d ago | 638d ago |
| Age | 5y 6m | 11m | 2y 4m |
Health Breakdown
nonmax
Maintenance
4
Quality
13
Community
11
Popularity
8
Documentation
12
nonzero-char
Maintenance
16
Quality
15
Community
6
Popularity
4
Documentation
12
notzero
Maintenance
5
Quality
21
Community
5
Popularity
4
Documentation
15
Technical Details
| nonmax | nonzero-char | notzero | |
|---|---|---|---|
| Version | 0.5.5 | 0.3.0 | 1.1.0 |
| Stable (≥1.0) | ✗ No | ✗ No | ✓ Yes |
| License | MIT OR Apache-2.0 | MIT | Zlib |
| Dependencies | 2 | 0 | 2 |
| Crate Size | 11KB | 14KB | 4KB |
| Features | 2 | 0 | 1 |
| Yanked % | 11.1% | 0.0% | 0.0% |
| Edition | 2018 | 2021 | 2021 |
| MSRV | — | 1.89 | 1.79.0 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •nonzero-char leads with a health score of 53/100, but none of the options score above 80.
- •nonmax has the most downloads (6.9M), suggesting wider adoption.
- •nonmax is depended on by 931 crates — strongest ecosystem trust.
- •⚠ nonmax, notzero have not been updated in over a year.
- •nonmax, nonzero-char are pre-1.0 — API may change.