Decision Workspace
constptr vs non-null-const vs nonnull-mut
Side-by-side comparison of Rust crates
52
constptr
growingv0.3.1
NonNull without mutability
47
non-null-const
experimentalv0.1.0
A *const equivalent of NonNull<T>.
46
nonnull-mut
experimentalv0.1.2
NonNull<T>, but T is invariant like *mut T
Core Metrics
| constptr | non-null-const | nonnull-mut | |
|---|---|---|---|
| Health Score | 52 | 47 | 46 |
| Total Downloads | 86.3K | 45 | 1.2K |
| 30d Downloads | 9.2K | 18 | 5 |
| Dependents | 33 | 1 | 0 |
| Releases | 4 | 1 | 3 |
| Last Updated | 349d ago | 83d ago | 211d ago |
| Age | 3y | 2m | 9m |
Health Breakdown
constptr
Maintenance
6
Quality
18
Community
10
Popularity
6
Documentation
12
non-null-const
Maintenance
8
Quality
18
Community
6
Popularity
2
Documentation
13
nonnull-mut
Maintenance
11
Quality
15
Community
6
Popularity
4
Documentation
10
Technical Details
| constptr | non-null-const | nonnull-mut | |
|---|---|---|---|
| Version | 0.3.1 | 0.1.0 | 0.1.2 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | MIT OR Apache-2.0 | MIT | MIT |
| Dependencies | 0 | 1 | 0 |
| Crate Size | 6KB | 13KB | 4KB |
| Features | 2 | 14 | 0 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2021 | 2024 | 2021 |
| MSRV | 1.84.1 | — | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •constptr leads with a health score of 52/100, but none of the options score above 80.