Decision Workspace
safecast vs as_repr vs usize_cast
Side-by-side comparison of Rust crates
49
safecast
growingv0.2.3
Traits to define safe casting between types
59
as_repr
experimentalv1.3.0
Rust trait for constant `#[repr(T)]` conversions
50
usize_cast
growingv1.1.0
Compile time checked cast from and to `usize`/`isize`
Core Metrics
| safecast | as_repr | usize_cast | |
|---|---|---|---|
| Health Score | 49 | 59 | 50 |
| Total Downloads | 39.0K | 6.0K | 150.4K |
| 30d Downloads | 1.1K | 62 | 4.1K |
| Dependents | 350 | 6 | 6 |
| Releases | 9 | 5 | 2 |
| Last Updated | 591d ago | 83d ago | 2189d ago |
| Age | 5y 2m | 5m | 6y |
Health Breakdown
safecast
Maintenance
7
Quality
15
Community
12
Popularity
5
Documentation
10
as_repr
Maintenance
13
Quality
18
Community
8
Popularity
5
Documentation
15
usize_cast
Maintenance
3
Quality
21
Community
8
Popularity
6
Documentation
12
Technical Details
| safecast | as_repr | usize_cast | |
|---|---|---|---|
| Version | 0.2.3 | 1.3.0 | 1.1.0 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✓ Yes |
| License | Apache-2.0 | Apache-2.0 OR BSL-1.0 OR MIT | MIT OR Apache-2.0 |
| Dependencies | 1 | 0 | 0 |
| Crate Size | 7KB | 8KB | 3KB |
| Features | 0 | 0 | 0 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2021 | 2024 | 2018 |
| MSRV | — | 1.85 | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •as_repr leads with a health score of 59/100, but none of the options score above 80.
- •usize_cast has the most downloads (150.4K), suggesting wider adoption.
- •safecast is depended on by 350 crates — strongest ecosystem trust.
- •⚠ safecast, usize_cast have not been updated in over a year.
- •safecast is pre-1.0 — API may change.